Somerton Post Office

450 E Main St, Somerton, AZ 85350

Contact Numbers

Phone: 928-627-8181
Fax: 928-627-3002
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 6:00am - 7:00pm
Tuesday 6:00am - 7:00pm
Wednesday 6:00am - 7:00pm
Thursday 6:00am - 7:00pm
Friday 6:00am - 7:00pm
Saturday 6:00am - 7:00pm
Sunday 6:00am - 7:00pm

Last Collection Times

Monday 3:00pm
Tuesday 3:00pm
Wednesday 3:00pm
Thursday 3:00pm
Friday 3:00pm
Saturday 3:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:30am - 2:00pm
Tuesday 8:30am - 2:00pm
Wednesday 8:30am - 2:00pm
Thursday 8:30am - 2:00pm
Friday 8:30am - 2:00pm
Saturday Closed
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

2222 S 4th Ave
4.9 miles away

San Luis
874 S Main St
5.2 miles away

Yuma Marine Corps Air Station
2637 E Quilter St
5.3 miles away

2127 Winterhaven Dr
6.3 miles away


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This post office closed for over 20 years. State ISN'T Arizona, it should have been listed Ohio.


Hi. My delivery number is 9461209699939512703213 and it is marked as Insufficient address and I gave the whole address that is: 406 E 13th Street in Somerton, AZ. 85350, and supposed it was delivered Dec 10th. things that obviously never happened. My question is where is my mail..? Where can I recover it..? Please contact me ASAP at (928) 819-1556. Thanks.


Hello, Will you open tomorrow at specific hour? Because I need a package and it’s in your office my other package was in my postal but I really need my package and I don’t know Saturday closed I see in you website .

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