Area Code 423-265 located in CHATTANOOGA, HAMILTON, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 265 City : CHATTANOOGA County : HAMILTON State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 47065 LATA (Local Access Transport Area) : 472 Rate Center : CHATTNOOGA ZIP Code Count : 333 ZIP Code Frequency : 15 ZIP Code : 37403 Other Information NPANXX : 423265 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTGTNNSDS1 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 : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : CHATTANOOGA Latitude : 35.0431 Longitude : -85.3048 ‹ previous : 423-265 next › : 423-265 Telephone Number List 423-265-0000 ~ 423-265-9999