Area Code 228-993 located in GULFPORT, HARRISON, MS, more detail is as below. Place NPA (Numbering Plan Area) : 228 NXX (Local Number Prefix) : 993 City : GULFPORT County : HARRISON State : MS (Mississippi) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 28047 LATA (Local Access Transport Area) : 484 Rate Center : GULFPORT ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 39503 Other Information NPANXX : 228993 County Population : 0 Switch CLLI (Common Language Location Identifier) : GLPTMSTSDS0 MSA CBSA (Core Based Statistical Area) : Gulfport-Biloxi, MS MSA CBSA Code (Core Based Statistical Area) : 25060 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : GULFPORT Latitude : 30.3713 Longitude : -89.0917 ‹ previous : 228-990 next › : 228-993 Telephone Number List 228-993-0000 ~ 228-993-9999