Area Code 940-538 located in WICHITA FALLS, WICHITA, TX, more detail is as below. Place NPA (Numbering Plan Area) : 940 NXX (Local Number Prefix) : 538 City : WICHITA FALLS County : WICHITA State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 48485 LATA (Local Access Transport Area) : 548 Rate Center : HENRIETTA ZIP Code Count : 31 ZIP Code Frequency : 2 ZIP Code : 76301 Other Information NPANXX : 940538 Switch CLLI (Common Language Location Identifier) : HNRTTXBRRS0 MSA CBSA (Core Based Statistical Area) : Wichita Falls, TX MSA CBSA Code (Core Based Statistical Area) : 48660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : HENRIETTA Latitude : 33.8105 Longitude : -98.1990 ‹ previous : 940-537 next › : 940-538 Telephone Number List 940-538-0000 ~ 940-538-9999