United States Postal Service

Name: United States Postal Service
Address: 211 N Delaware Ave, Mason City, IA, US
Telephone: (641) 423-5231

Local business in Mason City, Iowa

(641) 423-5231

211 N Delaware Ave
Mason City, IA
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Last verified Apr 22, 2026

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About United States Postal Service

Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages.

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What they offer

Skip to Main Content English Use arrow key to access related widget. English Español Customer Service My USPS › Register / Sign In Use arrow key to access related widget. Go to USPS.com Site Index. Skip to Main Content Skip All Utility Navigation Current language: English English Español Chinese Loc

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Web Presence

We track 9 web pages that reference United States Postal Service. 9 are official pages on their own domain.

Official: 9

Contact

(641) 423-5231

Official website

211 N Delaware Ave

Mason City, Iowa

, and more. Check Postal Holidays Postal facilities are closed on federal holidays. See a list of all upcoming USPS holidays and events

Last verified Apr 22, 2026

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Data Sources & Freshness

Last verified from website crawl on April 22, 2026

Last enriched on April 22, 2026

Sources: public web data + Iowa public records. This listing is not an endorsement. If you see an error, let us know.

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