Area code 641

Area code for a central portion of Iowa

Area code 641 is a telephone area code in the North American Numbering Plan (NANP) for the central region of the U.S. state of Iowa. The numbering plan area (NPA) includes Mason City, and Ottumwa. The area code was created in a split of area code 515 on July 9, 2000, which was the first split in Iowa since the establishment of the area code system in 1947.

This keyword could refer to multiple things. Here are some suggestions: