Area Code 319-437 located in ANAMOSA, JONES, IA, more detail is as below. Place NPA (Numbering Plan Area) : 319 NXX (Local Number Prefix) : 437 City : ANAMOSA County : JONES State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19105 LATA (Local Access Transport Area) : 635 Rate Center : PRAIRIEBG ZIP Code Count : 71 ZIP Code Frequency : 34 ZIP Code : 52205 Other Information NPANXX : 319437 County Population : 0 Switch CLLI (Common Language Location Identifier) : PABGIAXODS0 MSA CBSA (Core Based Statistical Area) : Cedar Rapids, IA MSA CBSA Code (Core Based Statistical Area) : 16300 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : PRAIRIEBURG TELEPHONE CO., INC. OCN (Operating Company Number) : 1275 Coverage Area Name : CENTRAL CITY Latitude : 42.2364 Longitude : -91.4236 ‹ previous : 319-437 next › : 319-438 Telephone Number List 319-437-0000 ~ 319-437-9999