Area Code 641-372 located in ROCKWELL, CERRO GORDO, IA, more detail is as below. Place NPA (Numbering Plan Area) : 641 NXX (Local Number Prefix) : 372 City : ROCKWELL County : CERRO GORDO State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 11/15/2006 FIPS (Federal Information Processing Standards) : 19033 LATA (Local Access Transport Area) : 632 Rate Center : ROCKWELL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 50469 Other Information NPANXX : 641372 Switch CLLI (Common Language Location Identifier) : DESMIAITUMD MSA CBSA (Core Based Statistical Area) : Mason City, IA MSA CBSA Code (Core Based Statistical Area) : 32380 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCC TELEPHONY OF IOWA, LLC - IA OCN (Operating Company Number) : 751F Coverage Area Name : ROCKWELL Latitude : 42.9820 Longitude : -93.1898 ‹ previous : 641-369 next › : 641-373 Telephone Number List 641-372-0000 ~ 641-372-9999