Area Code 319-548 located in WASHINGTON, WASHINGTON, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 548 City : WASHINGTON County : WASHINGTON State : IA (Iowa) NXX Use Type : Wireless NXX Intro Version : 2000-10-31 FIPS (Federal Information Processing Standards) : 19183 LATA (Local Access Transport Area) : 635 Rate Center : WASHINGTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 52353 Other Information NPANXX : 319548 County Population : 0 Switch CLLI (Common Language Location Identifier) : CDRRIAAXCM0 MSA CBSA (Core Based Statistical Area) : Iowa City, IA MSA CBSA Code (Core Based Statistical Area) : 26980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : IOWA WIRELESS SERVICES, LP OCN (Operating Company Number) : 8577 Coverage Area Name : WASHINGTON Latitude : 41.2989 Longitude : -91.6930 ‹ previous : 319-547 next › : 319-550 Telephone Number List 319-548-0000 ~ 319-548-9999