Area Code 979-234 located in SHERIDAN, COLORADO, TX, more detail is as below. Place NPA (Numbering Plan Area) : 979 NXX (Local Number Prefix) : 234 City : SHERIDAN County : COLORADO State : TX (Texas) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 48089 LATA (Local Access Transport Area) : 560 Rate Center : EAGLE LAKE ZIP Code Count : 194 ZIP Code Frequency : 8 ZIP Code : 77475 Other Information NPANXX : 979234 Switch CLLI (Common Language Location Identifier) : EGLKTXEGDS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : EAGLE LAKE Latitude : 29.5859 Longitude : -96.3387 ‹ previous : 979-233 next › : 979-234 Telephone Number List 979-234-0000 ~ 979-234-9999