Area Code 319-279 located in SUMNER, BREMER, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 279 City : SUMNER County : BREMER State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19017 LATA (Local Access Transport Area) : 635 Rate Center : READLYN ZIP Code Count : 37 ZIP Code Frequency : 6 ZIP Code : 50674 Other Information NPANXX : 319279 County Population : 0 Switch CLLI (Common Language Location Identifier) : RDLYIAXODS0 MSA CBSA (Core Based Statistical Area) : Waterloo-Cedar Falls, IA MSA CBSA Code (Core Based Statistical Area) : 47940 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : READLYN TELEPHONE CO. OCN (Operating Company Number) : 1278 Coverage Area Name : READLYN Latitude : 42.7033 Longitude : -92.2241 ‹ previous : 319-279 next › : 319-279 Telephone Number List 319-279-0000 ~ 319-279-9999