Mason-City Area Codes, Iowa, Unites States
How to call Mason-City, Iowa?
Mason-City has 1 area code. To call Mason-City you need to dial the Unites States country code (+1) and the following area code:
641How to know if I'm receiving calls from Mason-City, Iowa?
You are receiving calls from Mason-City when the phone number starts with the following combination:
1-641Other area codes in Unites States
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