Area Code 307-343 located in LARAMIE, ALBANY, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 343 City : LARAMIE County : ALBANY State : WY (Wyoming) NXX Use Type : Wireless NXX Intro Version : 7/16/2009 FIPS (Federal Information Processing Standards) : 56001 LATA (Local Access Transport Area) : 654 Rate Center : LARAMIE ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 82072 Other Information NPANXX : 307343 County Population : 0 MSA CBSA (Core Based Statistical Area) : Laramie, WY MSA CBSA Code (Core Based Statistical Area) : 29660 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY OCN (Operating Company Number) : 6566 Coverage Area Name : LARAMIE Latitude : 41.3101 Longitude : -105.5932 ‹ previous : 307-341 next › : 307-344 Telephone Number List 307-343-0000 ~ 307-343-9999