Area Code 423-227 located in CHATTANOOGA, HAMILTON, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 227 City : CHATTANOOGA County : HAMILTON State : TN (Tennessee) NXX Use Type : Wireless NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 47065 LATA (Local Access Transport Area) : 472 Rate Center : CHATTNOOGA ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 37405 Other Information NPANXX : 423227 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTGTNOXEMD MSA CBSA (Core Based Statistical Area) : Chattanooga, TN-GA MSA CBSA Code (Core Based Statistical Area) : 16860 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : POWERTEL ATLANTA LICENSES, INC. OCN (Operating Company Number) : 7473 Coverage Area Name : CHATTANOOGA Latitude : 35.0413 Longitude : -85.3124 ‹ previous : 423-226 next › : 423-228 Telephone Number List 423-227-0000 ~ 423-227-9999