Area Code 507-348 located in JASPER, ROCK, MN, more detail is as below. Place NPA (Numbering Plan Area) : 507 NXX (Local Number Prefix) : 348 City : JASPER County : ROCK State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 27133 LATA (Local Access Transport Area) : 620 Rate Center : JASPER ZIP Code Count : 422 ZIP Code Frequency : 81 ZIP Code : 56144 Other Information NPANXX : 507348 Switch CLLI (Common Language Location Identifier) : JSPRMNXJDS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN OCN (Operating Company Number) : 1123 Coverage Area Name : JASPER Latitude : 43.8476 Longitude : -96.3970 ‹ previous : 507-348 next › : 507-349 Telephone Number List 507-348-0000 ~ 507-348-9999