Area Code 972-291 located in CEDAR HILL, DALLAS, TX, more detail is as below. Place NPA (Numbering Plan Area) : 972 NXX (Local Number Prefix) : 291 City : CEDAR HILL County : DALLAS State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 48113 LATA (Local Access Transport Area) : 552 Rate Center : CEDAR HILL ZIP Code Count : 4906 ZIP Code Frequency : 98 ZIP Code : 75104 Other Information NPANXX : 972291 Switch CLLI (Common Language Location Identifier) : DLLSTXCHDS0 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 : CEDAR HILL Latitude : 32.5868 Longitude : -96.9567 ‹ previous : 972-290 next › : 972-292 Telephone Number List 972-291-0000 ~ 972-291-9999