Post offices in the county of Whiteside, IL

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 Albany Post Office in Albany, IL

Albany 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
204 3rd Ave S Albany , IL 61230-9000

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Open hours
Day Open Close
Monday 9:00 AM 1:00 PM
Tuesday 9:00 AM 1:00 PM
Wednesday 9:00 AM 1:00 PM
Thursday 9:00 AM 1:00 PM
Friday 9:00 AM 1:00 PM
Saturday 10:00 AM 12:00 PM
Sunday Closed

Phone: 309-887-4433

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Street View Image of Deer Grove Post Office in Deer Grove, IL

Deer Grove 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
28983 Hub St Deer Grove , IL 61243-9005

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Open hours
Day Open Close
Monday 11:00 AM 1:00 PM
Tuesday 11:00 AM 1:00 PM
Wednesday 11:00 AM 1:00 PM
Thursday 11:00 AM 1:00 PM
Friday 11:00 AM 1:00 PM
Saturday 11:00 AM 12:30 PM
Sunday Closed

Phone: 815-438-4223

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Street View Image of Erie Post Office in Erie, IL

Erie 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
802 Main St Erie , IL 61250-7773

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Open hours
Day Open Close
Monday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Tuesday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Wednesday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Thursday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Friday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Saturday 9:00 AM 11:00 AM
Sunday Closed

Phone: 309-659-2350

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Street View Image of Fenton Post Office in Fenton, IL

Fenton 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
9979 Fenton Rd Fenton , IL 61251-9716

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Open hours
Day Open Close
Monday 10:00 AM 12:00 PM
Tuesday 10:00 AM 12:00 PM
Wednesday 10:00 AM 12:00 PM
Thursday 10:00 AM 12:00 PM
Friday 10:00 AM 12:00 PM
Saturday 10:00 AM 12:00 PM
Sunday Closed

Phone: 815-778-4869

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Street View Image of Fulton Post Office in Fulton, IL

Fulton 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
915 4th St Fulton , IL 61252-9998

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Open hours
Day Open Close
Monday 8:30 AM 1:00 PM
1:30 PM 4:15 PM
Tuesday 8:30 AM 1:00 PM
1:30 PM 4:15 PM
Wednesday 8:30 AM 1:00 PM
1:30 PM 4:15 PM
Thursday 8:30 AM 1:00 PM
1:30 PM 4:15 PM
Friday 8:30 AM 1:00 PM
1:30 PM 4:15 PM
Saturday 8:30 AM 12:00 PM
Sunday Closed

Phone: 815-589-2020

  • Stamps.com logo
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Street View Image of Galt Post Office in Galt, IL

Galt 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
411 Galt Rd Galt , IL 61037-9800

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Open hours
Day Open Close
Monday 11:00 AM 3:00 PM
Tuesday 11:00 AM 3:00 PM
Wednesday 11:00 AM 3:00 PM
Thursday 11:00 AM 3:00 PM
Friday 11:00 AM 3:00 PM
Saturday 8:00 AM 12:00 PM
Sunday Closed

Phone: 815-626-5270

  • Stamps.com logo
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Street View Image of Lyndon Post Office in Lyndon, IL

Lyndon 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
409 2nd Ave E Lyndon , IL 61261-9000

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Open hours
Day Open Close
Monday 9:00 AM 1:00 PM
Tuesday 9:00 AM 1:00 PM
Wednesday 9:00 AM 1:00 PM
Thursday 9:00 AM 1:00 PM
Friday 9:00 AM 1:00 PM
Saturday 11:00 AM 12:00 PM
Sunday Closed

Phone: 815-778-4864

  • Stamps.com logo
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Street View Image of Morrison Post Office in Morrison, IL

Morrison 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
226 W Main St Morrison , IL 61270-9998

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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

Phone: 815-772-3311

  • 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 Prophetstown Post Office in Prophetstown, IL

Prophetstown 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
313 Washington St Prophetstown , IL 61277-9998

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Open hours
Day Open Close
Monday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Tuesday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Wednesday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Thursday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Friday 9:00 AM 1:00 PM
1:30 PM 4:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed

Phone: 815-537-2710

  • 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 Rock Falls Post Office in Rock Falls, IL

Rock Falls 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
210 2nd Ave Rock Falls , IL 61071-1299

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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 9:00 AM 2:00 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 Sterling Post Office in Sterling, IL

Sterling 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
408 3rd Ave Sterling , IL 61081-3677

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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 8:30 AM 1:00 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 Tampico Post Office in Tampico, IL

Tampico 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
113 N Main St Tampico , IL 61283-7721

Get directions

Open hours
Day Open Close
Monday 8:00 AM 11:00 AM
1:00 PM 4:00 PM
Tuesday 8:00 AM 11:00 AM
1:00 PM 4:00 PM
Wednesday 8:00 AM 11:00 AM
1:00 PM 4:00 PM
Thursday 8:00 AM 11:00 AM
1:00 PM 4:00 PM
Friday 8:00 AM 11:00 AM
1:00 PM 4:00 PM
Saturday 8:00 AM 10:00 AM
Sunday Closed

Phone: 815-438-7222

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