Mason City Post Office

211 N Delaware Ave Ste 100, Mason City, IA 50401

Contact Numbers

Phone: 641-423-5231
Fax: 641-423-6918
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 6:00pm
Tuesday 6:00pm
Wednesday 6:00pm
Thursday 6:00pm
Friday 6:00pm
Saturday 6:00pm
Sunday Closed

Passport Appointment Hours*

Monday 8:30am - 12:30pm, 2:00pm - 3:30pm
Tuesday 8:30am - 12:30pm, 2:00pm - 3:30pm
Wednesday 8:30am - 12:30pm, 2:00pm - 3:30pm
Thursday 8:30am - 12:30pm, 2:00pm - 3:30pm
Friday 8:30am - 12:30pm, 2:00pm - 3:30pm
Saturday 8:30am - 10:30am
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo. Available at location.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

*An appointment is required to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

Monday 11:00am - 4:00pm
Tuesday 11:00am - 4:00pm
Wednesday 11:00am - 4:00pm
Thursday 11:00am - 4:00pm
Friday 11:00am - 4:00pm
Saturday Closed
Sunday Closed

  • 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)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking
  • Passport Appointment Hours

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:

Plymouth
502 Main St
4.8 miles away

Manly
110 E Main St
5.3 miles away

Rockwell
313 Main St E
6.8 miles away

Clear Lake
410 1st Ave N
7.3 miles away

Reviews

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Hi. I’m Shen. My package total 5 ,I mailed from Japan to the United States. CD378114180JP CD378114159JP CD378114176JP CD378114162JP CD378114193JP But ,Only No CD378114159JP has not arrived yet. Please check and reply me email. thank you.
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I currently have a PO box with the post office for going on 2 years & running. Usually pretty helpful. No major issues really as of yet other than their jenky pick up boxes for packages too large for my box. Can't ever find which box is which. My boyfriend just walked in & couldn't find 1716. So here I sit without my package.The keys hardly work & you gotta wait for an employee to mess with it when they have time. Would be nice if they had a sort of legend or map showing where each box is. My BIGGEST complaint would be the lack of handicapped accessable doors. I saw an elderly gentleman in a wheelchair struggling to get inside. I helped him but couldn't believe there wasn't a handicapped button. I hope they change that.
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I called the post office and spoke to a Dan in to attempt to arrange pick up of a package. My work hours are such that I cant get their during office hours and the package is large enough that it doesnt fit in the lobby boxes. This worker had no interest in helping me find a solution and was only interested in arguing. Told me to go to the window and push the doorbell. Well, no one ever answers that. Ive known that for years but his comment was "They do when Im there." Sooooooo unhelpful. He must be miserable at his job!!! Come on Dan its a people person job!
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