Area Code 251-509 located in MOBILE, MOBILE, AL, more detail is as below. Place NPA (Numbering Plan Area) : 251 NXX (Local Number Prefix) : 509 City : MOBILE County : MOBILE State : AL (Alabama) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 01097 LATA (Local Access Transport Area) : 480 Rate Center : MOBILE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 36603 Other Information NPANXX : 251509 County Population : 0 Switch CLLI (Common Language Location Identifier) : MOBLALMTDS0 MSA CBSA (Core Based Statistical Area) : Mobile, AL MSA CBSA Code (Core Based Statistical Area) : 33660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : TELEPORT COMUNICATIONS AMERICA, LLC - AL OCN (Operating Company Number) : 8271 Coverage Area Name : MOBILE Latitude : 30.6900 Longitude : -88.0460 ‹ previous : 251-509 next › : 251-510 Telephone Number List 251-509-0000 ~ 251-509-9999