Post offices in the county of Middlesex, NJ

Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.

Street View Image of Avenel Post Office in Avenel, NJ

Avenel Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1065 Rahway Ave Avenel , NJ 07001-9998

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 4:00 PM
Sunday Closed
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Street View Image of Carteret Post Office in Carteret, NJ

Carteret Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
212 Pershing Ave Carteret , NJ 07008-9998

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 10:00 AM 4:00 PM
Sunday Closed
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Street View Image of Colonia Post Office in Colonia, NJ

Colonia Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
574 Inman Ave Colonia , NJ 07067-9998

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Open hours
Day Open Close
Monday 10:00 AM 7:00 PM
Tuesday 10:00 AM 7:00 PM
Wednesday 10:00 AM 7:00 PM
Thursday 10:00 AM 7:00 PM
Friday 10:00 AM 7:00 PM
Saturday 10:00 AM 4:00 PM
Sunday Closed

Phone: 732-388-3760

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Street View Image of Dayton Post Office in Dayton, NJ

Dayton Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
347 Georges Rd Dayton , NJ 08810-9998

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Open hours
Day Open Close
Monday 9:00 AM 4:30 PM
Tuesday 9:00 AM 4:30 PM
Wednesday 9:00 AM 4:30 PM
Thursday 9:00 AM 4:30 PM
Friday 9:00 AM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
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Street View Image of Dunellen Post Office in Dunellen, NJ

Dunellen Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
311 North Ave Dunellen, NJ 08812-9998

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Open hours
Day Open Close
Monday 9:00 AM 4:30 PM
Tuesday 9:00 AM 4:30 PM
Wednesday 9:00 AM 4:30 PM
Thursday 9:00 AM 4:30 PM
Friday 9:00 AM 4:30 PM
Saturday 9:00 AM 3:00 PM
Sunday Closed
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Street View Image of Green Brook Post Office in Dunellen, NJ

Green Brook Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1003 N Washington Ave Dunellen, NJ 08812-9997

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Open hours
Day Open Close
Monday 9:00 AM 1:00 PM
2:00 PM 5:00 PM
Tuesday 9:00 AM 1:00 PM
2:00 PM 5:00 PM
Wednesday 9:00 AM 1:00 PM
2:00 PM 5:00 PM
Thursday 9:00 AM 1:00 PM
2:00 PM 5:00 PM
Friday 9:00 AM 1:00 PM
2:00 PM 5:00 PM
Saturday Closed
Sunday Closed

Phone: 732-968-2083

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Street View Image of East Brunswick Post Office in East Brunswick, NJ

East Brunswick Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
614 Cranbury Rd East Brunswick , NJ 08816-9998

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed
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Street View Image of Edison Post Office in Edison, NJ

Edison Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
2101 State Route 27 Edison, NJ 08817-9998

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Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:00 AM 2:00 PM
Sunday Closed
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Street View Image of Kilmer Post Office in Edison, NJ

Kilmer Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
21 Kilmer Rd Edison, NJ 08899-9512

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Open hours
Day Open Close
Monday 9:00 AM 6:00 PM
Tuesday 9:00 AM 6:00 PM
Wednesday 9:00 AM 6:00 PM
Thursday 9:00 AM 6:00 PM
Friday 9:00 AM 6:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
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Street View Image of Menlo Park Post Office in Edison, NJ

Menlo Park Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
100 Menlo Park Ste 101 Edison, NJ 08837-9998

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Open hours
Day Open Close
Monday 8:45 AM 5:00 PM
Tuesday 8:45 AM 5:00 PM
Wednesday 8:45 AM 5:00 PM
Thursday 8:45 AM 5:00 PM
Friday 8:45 AM 5:00 PM
Saturday 10:00 AM 2:00 PM
Sunday Closed
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Street View Image of Nixon Post Office in Edison, NJ

Nixon Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
2079 Woodbridge Ave Edison, NJ 08817-9997

Get directions

Open hours
Day Open Close
Monday 8:30 AM 5:00 PM
Tuesday 8:30 AM 5:00 PM
Wednesday 8:30 AM 5:00 PM
Thursday 8:30 AM 5:00 PM
Friday 8:30 AM 5:00 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed
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Street View Image of Fords Post Office in Fords, NJ

Fords Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
450 New Brunswick Ave Fords , NJ 08863-9998

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Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
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Street View Image of Helmetta Post Office in Helmetta, NJ

Helmetta Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
68 Main St Helmetta , NJ 08828-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:30 AM 11:30 AM
Sunday Closed
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Street View Image of Highland Park Post Office in Highland Park, NJ

Highland Park Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
406 Raritan Ave Highland Park , NJ 08904-9997

Get directions

Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed
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Street View Image of Iselin Post Office in Iselin, NJ

Iselin Post Office does not have retail counter services

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
250 Middlesex Tpke Iselin, NJ 08830-9998

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Open hours
Day Open Close
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Street View Image of Iselin Retail Post Office in Iselin, NJ

Iselin Retail Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
240 Middlesex Tpke Iselin, NJ 08830-9997

Get directions

Open hours
Day Open Close
Monday 9:00 AM 6:00 PM
Tuesday 9:00 AM 6:00 PM
Wednesday 9:00 AM 6:00 PM
Thursday 9:00 AM 6:00 PM
Friday 9:00 AM 6:00 PM
Saturday 9:00 AM 4:00 PM
Sunday Closed
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Street View Image of Keasbey Post Office in Keasbey, NJ

Keasbey Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
140 Smith St Ste 1 Keasbey , NJ 08832-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed
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Street View Image of Franklin Park Post Office in Kendall Park, NJ

Franklin Park Post Office does not have retail counter services

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
3124 State Route 27 Kendall Park, NJ 08824-9996

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Open hours
Day Open Close
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Street View Image of Kendall Park Post Office in Kendall Park, NJ

Kendall Park Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
3124 State Route 27 Kendall Park, NJ 08824-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 8:30 AM 2:00 PM
Sunday Closed
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Street View Image of Brainy Boro Post Office in Metuchen, NJ

Brainy Boro Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
195 Central Ave Metuchen, NJ 08840-9997

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Open hours
Day Open Close
Monday 9:00 AM 4:00 PM
Tuesday 9:00 AM 4:00 PM
Wednesday 9:00 AM 4:00 PM
Thursday 9:00 AM 4:00 PM
Friday 9:00 AM 4:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
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Street View Image of Metuchen Post Office in Metuchen, NJ

Metuchen Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
360 Main St Metuchen, NJ 08840-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 7:00 PM
Tuesday 8:00 AM 7:00 PM
Wednesday 8:00 AM 7:00 PM
Thursday 8:00 AM 7:00 PM
Friday 8:00 AM 7:00 PM
Saturday 9:00 AM 4:00 PM
Sunday Closed
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Street View Image of Middlesex Post Office in Middlesex, NJ

Middlesex Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
95 Marlborough Ave Middlesex , NJ 08846-9998

Get directions

Open hours
Day Open Close
Monday 9:30 AM 6:00 PM
Tuesday 9:30 AM 6:00 PM
Wednesday 9:30 AM 6:00 PM
Thursday 9:30 AM 6:00 PM
Friday 9:30 AM 6:00 PM
Saturday 9:30 AM 4:00 PM
Sunday Closed
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Street View Image of Milltown Post Office in Milltown, NJ

Milltown Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
27 Washington Ave Milltown , NJ 08850-9998

Get directions

Open hours
Day Open Close
Monday 8:30 AM 5:00 PM
Tuesday 8:30 AM 5:00 PM
Wednesday 8:30 AM 5:00 PM
Thursday 8:30 AM 5:00 PM
Friday 8:30 AM 5:00 PM
Saturday 8:30 AM 2:00 PM
Sunday Closed
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Street View Image of Monmouth Junction Post Office in Monmouth Junction, NJ

Monmouth Junction Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
651 Ridge Rd Monmouth Junction , NJ 08852-9998

Get directions

Open hours
Day Open Close
Monday 9:30 AM 5:00 PM
Tuesday 9:30 AM 5:00 PM
Wednesday 9:30 AM 5:00 PM
Thursday 9:30 AM 5:00 PM
Friday 9:30 AM 5:00 PM
Saturday 9:00 AM 4:00 PM
Sunday Closed
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Street View Image of Jamesburg Post Office in Monroe Township, NJ

Jamesburg Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
13 E Railroad Ave Monroe Township, NJ 08831-9997

Get directions

Open hours
Day Open Close
Monday 8:30 AM 1:00 PM
2:00 PM 4:00 PM
Tuesday 8:30 AM 1:00 PM
2:00 PM 4:00 PM
Wednesday 8:30 AM 1:00 PM
2:00 PM 4:00 PM
Thursday 8:30 AM 1:00 PM
2:00 PM 4:00 PM
Friday 8:30 AM 1:00 PM
2:00 PM 4:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
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Street View Image of Monroe Township Post Office in Monroe Township, NJ

Monroe Township Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1601 Perrineville Rd Monroe Township, NJ 08831-9998

Get directions

Open hours
Day Open Close
Monday 10:00 AM 7:00 PM
Tuesday 10:00 AM 7:00 PM
Wednesday 10:00 AM 7:00 PM
Thursday 10:00 AM 7:00 PM
Friday 10:00 AM 7:00 PM
Saturday 10:00 AM 4:00 PM
Sunday Closed
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Street View Image of Handy Street Post Office in New Brunswick, NJ

Handy Street Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
333 Handy St New Brunswick, NJ 08901-9997

Get directions

Open hours
Day Open Close
Monday 10:00 AM 4:00 PM
Tuesday 10:00 AM 4:00 PM
Wednesday 10:00 AM 4:00 PM
Thursday 10:00 AM 4:00 PM
Friday 10:00 AM 4:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
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Street View Image of New Brunswick Post Office in New Brunswick, NJ

New Brunswick Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
86 Bayard St New Brunswick, NJ 08901-2169

Get directions

Open hours
Day Open Close
Monday 8:00 AM 5:00 PM
Tuesday 8:00 AM 5:00 PM
Wednesday 8:00 AM 5:00 PM
Thursday 8:00 AM 5:00 PM
Friday 8:00 AM 5:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed
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Street View Image of North Brunswick Post Office in North Brunswick, NJ

North Brunswick Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
1062 Livingston Ave North Brunswick , NJ 08902-9997

Get directions

Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
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Street View Image of Old Bridge Post Office in Old Bridge, NJ

Old Bridge Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
151 Highway 516 Old Bridge , NJ 08857-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 8:30 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Ernston Post Office in Parlin, NJ

Ernston Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
499 Ernston Rd Ste Sb5 Parlin, NJ 08859-9997

Get directions

Open hours
Day Open Close
Monday 8:30 AM 1:00 PM
2:00 PM 4:30 PM
Tuesday 8:30 AM 1:00 PM
2:00 PM 4:30 PM
Wednesday 8:30 AM 1:00 PM
2:00 PM 4:30 PM
Thursday 8:30 AM 1:00 PM
2:00 PM 4:30 PM
Friday 8:30 AM 1:00 PM
2:00 PM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Parlin Post Office in Parlin, NJ

Parlin Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
778 Washington Rd Parlin, NJ 08859-9998

Get directions

Open hours
Day Open Close
Monday 9:30 AM 7:00 PM
Tuesday 9:30 AM 7:00 PM
Wednesday 9:30 AM 7:00 PM
Thursday 9:30 AM 7:00 PM
Friday 9:30 AM 7:00 PM
Saturday 8:30 AM 4:00 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Perth Amboy Post Office in Perth Amboy, NJ

Perth Amboy Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
205 Jefferson St Perth Amboy , NJ 08861-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of New Market Post Office in Piscataway, NJ

New Market Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
44 Stelton Rd Ste 100 Piscataway, NJ 08854-9997

Get directions

Open hours
Day Open Close
Monday 9:00 AM 1:30 PM
2:00 PM 4:30 PM
Tuesday 9:00 AM 1:30 PM
2:00 PM 4:30 PM
Wednesday 9:00 AM 1:30 PM
2:00 PM 4:30 PM
Thursday 9:00 AM 1:30 PM
2:00 PM 4:30 PM
Friday 9:00 AM 1:30 PM
2:00 PM 4:30 PM
Saturday 9:00 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Piscataway Post Office in Piscataway, NJ

Piscataway Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
3 Skiles Ave Piscataway, NJ 08854-9998

Get directions

Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 9:00 AM 2:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
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Street View Image of Plainsboro Post Office in Plainsboro, NJ

Plainsboro Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
12 Schalks Crossing Rd Plainsboro , NJ 08536-9998

Get directions

Open hours
Day Open Close
Monday 10:00 AM 4:30 PM
Tuesday 10:00 AM 4:30 PM
Wednesday 10:00 AM 4:30 PM
Thursday 10:00 AM 4:30 PM
Friday 10:00 AM 4:30 PM
Saturday 8:00 AM 1:30 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Port Reading Post Office in Port Reading, NJ

Port Reading Post Office is currently closed

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
605 Port Reading Ave Port Reading , NJ 07064-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:30 PM
2:00 PM 4:30 PM
Tuesday 8:00 AM 12:30 PM
2:00 PM 4:30 PM
Wednesday 8:00 AM 12:30 PM
2:00 PM 4:30 PM
Thursday 8:00 AM 12:30 PM
2:00 PM 4:30 PM
Friday 8:00 AM 12:30 PM
2:00 PM 4:30 PM
Saturday 10:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Sayreville Post Office in Sayreville, NJ

Sayreville Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
90 Main St Sayreville , NJ 08872-9998

Get directions

Open hours
Day Open Close
Monday 9:30 AM 5:00 PM
Tuesday 9:30 AM 5:00 PM
Wednesday 9:30 AM 5:00 PM
Thursday 9:30 AM 5:00 PM
Friday 9:30 AM 5:00 PM
Saturday 9:30 AM 4:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Sewaren Post Office in Sewaren, NJ

Sewaren Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
85 Woodbridge Ave Sewaren , NJ 07077-9998

Get directions

Open hours
Day Open Close
Monday 8:00 AM 4:30 PM
Tuesday 8:00 AM 4:30 PM
Wednesday 8:00 AM 4:30 PM
Thursday 8:00 AM 4:30 PM
Friday 8:00 AM 4:30 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed
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Street View Image of Laurence Harbor Post Office in South Amboy, NJ

Laurence Harbor Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
902 State Route 35 South Amboy, NJ 08879-9997

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Open hours
Day Open Close
Monday 9:00 AM 4:30 PM
Tuesday 9:00 AM 4:30 PM
Wednesday 9:00 AM 4:30 PM
Thursday 9:00 AM 4:30 PM
Friday 9:00 AM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
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    $100 value
Street View Image of South Amboy Post Office in South Amboy, NJ

South Amboy Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
209 S Broadway South Amboy, NJ 08879-9998

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Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 9:00 AM 4:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
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Street View Image of South Plainfield Post Office in South Plainfield, NJ

South Plainfield Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
114 Oak Tree Ave South Plainfield , NJ 07080-9998

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Open hours
Day Open Close
Monday 10:00 AM 4:30 PM
Tuesday 10:00 AM 4:30 PM
Wednesday 10:00 AM 4:30 PM
Thursday 10:00 AM 4:30 PM
Friday 10:00 AM 4:30 PM
Saturday 8:30 AM 1:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
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Street View Image of South River Post Office in South River, NJ

South River Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
44 Obert St South River , NJ 08882-9998

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Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 10:00 AM 4:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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    $100 value
Street View Image of Spotswood Post Office in Spotswood, NJ

Spotswood Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
436 Main St Spotswood , NJ 08884-9998

Get directions

Open hours
Day Open Close
Monday 10:00 AM 5:00 PM
Tuesday 10:00 AM 5:00 PM
Wednesday 10:00 AM 5:00 PM
Thursday 10:00 AM 5:00 PM
Friday 10:00 AM 5:00 PM
Saturday 8:30 AM 4:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Woodbridge Post Office in Woodbridge, NJ

Woodbridge Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
60 Main St Woodbridge , NJ 07095-9998

Get directions

Open hours
Day Open Close
Monday 9:00 AM 7:00 PM
Tuesday 9:00 AM 7:00 PM
Wednesday 9:00 AM 7:00 PM
Thursday 9:00 AM 7:00 PM
Friday 9:00 AM 7:00 PM
Saturday 8:30 AM 4:00 PM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value