Area Code 210-810 located in BEXAR, BEXAR, TX, more detail is as below. Place NPA (Numbering Plan Area) : 210 NXX (Local Number Prefix) : 810 City : BEXAR County : BEXAR State : TX (Texas) NXX Intro Version : 5/15/2013 Rate Center : SANANTONIO ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 210810 County Population : 0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Latitude : None Longitude : None ‹ previous : 210-808 next › : 210-812 Telephone Number List 210-810-0000 ~ 210-810-9999