Area Code 307-877 located in KEMMERER, LINCOLN, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 877 City : KEMMERER 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 : KEMMERER ZIP Code Count : 1227 ZIP Code Frequency : 76 ZIP Code : 83101 Other Information NPANXX : 307877 County Population : 0 Switch CLLI (Common Language Location Identifier) : KMMRWYMARS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : KEMMERER Latitude : 41.7927 Longitude : -110.5368 ‹ previous : 307-877 next › : 307-878 Telephone Number List 307-877-0000 ~ 307-877-9999