Area Code 214-221 located in DALLAS, DALLAS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 214 NXX (Local Number Prefix) : 221 City : DALLAS County : DALLAS State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 48113 LATA (Local Access Transport Area) : 552 Rate Center : DALLAS ZIP Code Count : 725 ZIP Code Frequency : 20 ZIP Code : 75231 Other Information NPANXX : 214221 County Population : 0 Switch CLLI (Common Language Location Identifier) : LWVLTXXADS0 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 : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : DALLAS Latitude : 32.8794 Longitude : -96.7180 ‹ previous : 214-221 next › : 214-221 Telephone Number List 214-221-0000 ~ 214-221-9999