Area Code 423-228 located in JASPER, MARION, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 228 City : JASPER County : MARION State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 47115 LATA (Local Access Transport Area) : 472 Rate Center : SO PITTSBG ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37347 Other Information NPANXX : 423228 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTGTNKFDS0 MSA CBSA (Core Based Statistical Area) : Chattanooga, TN-GA MSA CBSA Code (Core Based Statistical Area) : 16860 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : US LEC OF TENNESSEE, INC OCN (Operating Company Number) : 8356 Coverage Area Name : SOUTH PITTSBURG Latitude : 34.9999 Longitude : -85.7174 ‹ previous : 423-228 next › : 423-229 Telephone Number List 423-228-0000 ~ 423-228-9999