Area Code 404-228 located in CONLEY, CLAYTON, GA, more detail is as below. Place NPA (Numbering Plan Area) : 404 NXX (Local Number Prefix) : 228 City : CONLEY County : CLAYTON State : GA (Georgia) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 13063 LATA (Local Access Transport Area) : 438 Rate Center : ATLANTA ZIP Code Count : 34 ZIP Code Frequency : 3 ZIP Code : 30288 Other Information NPANXX : 404228 County Population : 0 Switch CLLI (Common Language Location Identifier) : ATLAGAQWDS0 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 Company : COMCAST PHONE OF GEORGIA, LLC - GA OCN (Operating Company Number) : 7170 Coverage Area Name : ATLANTA Latitude : 33.8557 Longitude : -84.4822 ‹ previous : 404-228 next › : 404-228 Telephone Number List 404-228-0000 ~ 404-228-9999