Zip Area Code

Mason City, Iowa

Mason City, Iowa, in Cerro Gordo County, has ZIP codes 50401 and 50402 and area code 641.

ZIP codes
50401, 50402
Area code
641
State
Iowa
Time zone
Central Time
Coordinates
43.1517, -93.1982

ZIP codes in Mason City

ZIP codePost officeCountyArea codes
50401Mason CityCerro Gordo County641
50402*Mason CityCerro Gordo County641

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area code for Mason City

  • Area code 641

    In service since July 9, 2000. Local calls are dialed with seven digits.

Time zone

Mason City is in the Central Time zone.

Towns near Mason City

Local numbers in area code 641

Looking for a phone number with a Mason City area code? These 641 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.

We may earn a commission when you buy through our links. Numbers are sold and delivered by Exclusive Digits.

More area code 641 numbers on Exclusive Digits