Area Code 214-231 located in GARLAND, DALLAS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 214 NXX (Local Number Prefix) : 231 City : GARLAND County : DALLAS State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 48113 LATA (Local Access Transport Area) : 552 Rate Center : DALLAS ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 75042 Other Information NPANXX : 214231 County Population : 0 Switch CLLI (Common Language Location Identifier) : DLLSTX97DS3 MSA CBSA (Core Based Statistical Area) : Dallas-Fort Worth-Arlington, TX MSA CBSA Code (Core Based Statistical Area) : 19100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ALLEGIANCE TELECOM, INC. - TX OCN (Operating Company Number) : 8413 Coverage Area Name : DALLAS Latitude : 32.8032 Longitude : -96.8306 ‹ previous : 214-231 next › : 214-231 Telephone Number List 214-231-0000 ~ 214-231-9999