Area Code 678-423 located in NEWNAN, COWETA, GA, more detail is as below. Place NPA (Numbering Plan Area) : 678 NXX (Local Number Prefix) : 423 City : NEWNAN County : COWETA State : GA (Georgia) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 13077 LATA (Local Access Transport Area) : 438 Rate Center : NEWNAN ZIP Code Count : 410 ZIP Code Frequency : 23 ZIP Code : 30265 Other Information NPANXX : 678423 Switch CLLI (Common Language Location Identifier) : NWNNGAMA25C MSA CBSA (Core Based Statistical Area) : Atlanta-Sandy Springs-Marietta, GA MSA CBSA Code (Core Based Statistical Area) : 12060 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL OCN (Operating Company Number) : 9417 Coverage Area Name : NEWNAN Latitude : 33.3743 Longitude : -84.8049 ‹ previous : 678-422 next › : 678-423 Telephone Number List 678-423-0000 ~ 678-423-9999