Area Code 214-278 located in GRAND PRAIRIE, DALLAS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 214 NXX (Local Number Prefix) : 278 City : GRAND PRAIRIE 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 : GRANDPRARI ZIP Code Count : 1 ZIP Code Frequency : 33 ZIP Code : 75053 Other Information NPANXX : 214278 County Population : 0 Switch CLLI (Common Language Location Identifier) : DLLSTX37DC0 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 : TW TELECOM OF TEXAS LLC - TX OCN (Operating Company Number) : 7263 Coverage Area Name : GRAND PRAIRIE Latitude : 32.7417 Longitude : -97.0004 ‹ previous : 214-277 next › : 214-278 Telephone Number List 214-278-0000 ~ 214-278-9999