Area Code 307-279 located in COKEVILLE, LINCOLN, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 279 City : COKEVILLE County : LINCOLN State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56023 LATA (Local Access Transport Area) : 654 Rate Center : COKEVILLE ZIP Code Count : 322 ZIP Code Frequency : 100 ZIP Code : 83114 Other Information NPANXX : 307279 County Population : 0 Switch CLLI (Common Language Location Identifier) : CKVLWYXCRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : ALL WEST COMMUNICATIONS, INC. - WYOMING OCN (Operating Company Number) : 2290 Coverage Area Name : COKEVILLE Latitude : 42.0823 Longitude : -110.9593 ‹ previous : 307-278 next › : 307-280 Telephone Number List 307-279-0000 ~ 307-279-9999