Area Code 210-254 located in SAN ANTONIO, BEXAR, TX, more detail is as below. Place NPA (Numbering Plan Area) : 210 NXX (Local Number Prefix) : 254 City : SAN ANTONIO County : BEXAR State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 48029 LATA (Local Access Transport Area) : 566 Rate Center : SANANTONIO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 78285 Other Information NPANXX : 210254 County Population : 0 MSA CBSA (Core Based Statistical Area) : San Antonio-New Braunfels, TX MSA CBSA Code (Core Based Statistical Area) : 41700 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Coverage Area Name : SAN ANTONIO Latitude : 29.4278 Longitude : -98.4894 ‹ previous : 210-254 next › : 210-255 Telephone Number List 210-254-0000 ~ 210-254-9999