According to North American Numbering Plan, 641421 located in MASON CITY, Iowa. the first three digits 641 locate to state Iowa, 421 locate the city MASON CITY, furthermore, we also provide some other information such as the zip code example(s) 50401, carrier QWEST CORPORATION, and the latitude and longitude is 43.1514 -93.1954. Please pay attention that the detail we provide only as a reference, the details of the zip code may be not complete, the latitude and longitude likely to have deviation.

Here are some random corresponding phone numbers.