Post offices in the county of Warren, 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 Allamuchy Post Office in Allamuchy, NJ

Allamuchy 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
16 Rutherford Rd Allamuchy , NJ 07820-9998

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

Belvidere 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
111 Mansfield St Belvidere , NJ 07823-9998

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Open hours
Day Open Close
Monday 8:30 AM 4:30 PM
Tuesday 8:30 AM 4:30 PM
Wednesday 8:30 AM 4:30 PM
Thursday 8:30 AM 4:30 PM
Friday 8:30 AM 4:30 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Blairstown Post Office in Blairstown, NJ

Blairstown 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
39 Main St Blairstown , NJ 07825-9998

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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 12:30 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Broadway Post Office in Broadway, NJ

Broadway 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
12 Asbury Rd Broadway , NJ 08808-9800

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Open hours
Day Open Close
Monday 9:30 AM 1:00 PM
2:00 PM 4:30 PM
Tuesday 9:30 AM 1:00 PM
2:00 PM 4:30 PM
Wednesday 9:30 AM 1:00 PM
2:00 PM 4:30 PM
Thursday 9:30 AM 1:00 PM
2:00 PM 4:30 PM
Friday 9:30 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%.
    Promo code
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Street View Image of Columbia Post Office in Columbia, NJ

Columbia 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
27 Decatur St Columbia , NJ 07832-9998

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Open hours
Day Open Close
Monday 8:30 AM 12:00 PM
1:00 PM 4:30 PM
Tuesday 8:30 AM 12:00 PM
1:00 PM 4:30 PM
Wednesday 8:30 AM 12:00 PM
1:00 PM 4:30 PM
Thursday 8:30 AM 12:00 PM
1:00 PM 4:30 PM
Friday 8:30 AM 12:00 PM
1:00 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%.
    Promo code
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Street View Image of Delaware Post Office in Delaware, NJ

Delaware 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
9 Clinton St Delaware , NJ 07833-9800

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Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
Tuesday 8:00 AM 12:00 PM
Wednesday 8:00 AM 12:00 PM
Thursday 8:00 AM 12:00 PM
Friday 8:00 AM 12:00 PM
Saturday 9:00 AM 11:30 AM
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
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Street View Image of Great Meadows Post Office in Great Meadows, NJ

Great Meadows 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
4 Regina Ln Great Meadows , NJ 07838-2099

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Open hours
Day Open Close
Monday 8:00 AM 4:45 PM
Tuesday 8:00 AM 4:45 PM
Wednesday 8:00 AM 4:45 PM
Thursday 8:00 AM 4:45 PM
Friday 8:00 AM 4:45 PM
Saturday 8:00 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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Street View Image of Hackettstown Post Office in Hackettstown, NJ

Hackettstown 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
120 Grand Ave Hackettstown , NJ 07840-9998

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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 3:00 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 Hope Post Office in Hope, NJ

Hope 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
10 Blairstown Rd Hope , NJ 07844-9800

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Open hours
Day Open Close
Monday 8:30 AM 12:30 PM
1:30 PM 4:30 PM
Tuesday 8:30 AM 12:30 PM
1:30 PM 4:30 PM
Wednesday 8:30 AM 12:30 PM
1:30 PM 4:30 PM
Thursday 8:30 AM 12:30 PM
1:30 PM 4:30 PM
Friday 8:30 AM 12:30 PM
1:30 PM 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%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Oxford Post Office in Oxford, NJ

Oxford 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
170 State Route 31 N Oxford , NJ 07863-9998

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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 9:00 AM 12:00 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 Phillipsburg Post Office in Phillipsburg, NJ

Phillipsburg 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
361 Memorial Pkwy Phillipsburg , NJ 08865-9998

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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 3:00 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 Port Murray Post Office in Port Murray, NJ

Port Murray 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
218 Main St Port Murray , NJ 07865-9998

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Open hours
Day Open Close
Monday 8:15 AM 1:00 PM
2:00 PM 3:15 PM
Tuesday 8:15 AM 1:00 PM
2:00 PM 3:15 PM
Wednesday 8:15 AM 1:00 PM
2:00 PM 3:15 PM
Thursday 8:15 AM 1:00 PM
2:00 PM 3:15 PM
Friday 8:15 AM 1:00 PM
2:00 PM 3:15 PM
Saturday 7:30 AM 12:00 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 Stewartsville Post Office in Stewartsville, NJ

Stewartsville 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
731 State Route 57 Stewartsville , NJ 08886-9998

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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
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value
Street View Image of Vienna Post Office in Vienna, NJ

Vienna 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
7 Water St Vienna , NJ 07880-9800

Get directions

Open hours
Day Open Close
Monday 8:00 AM 12:00 PM
Tuesday 8:00 AM 12:00 PM
Wednesday 8:00 AM 12:00 PM
Thursday 8:00 AM 12:00 PM
Friday 8:00 AM 12:00 PM
Saturday 9:00 AM 11:30 AM
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 Washington Post Office in Washington, NJ

Washington 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
36 Belvidere Ave Washington , NJ 07882-9998

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
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value