Area Code 307-543 located in JACKSON, TETON, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 543 City : JACKSON County : TETON State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56039 LATA (Local Access Transport Area) : 654 Rate Center : MORAN ZIP Code Count : 5 ZIP Code Frequency : 2 ZIP Code : 83001 Other Information NPANXX : 307543 County Population : 0 Switch CLLI (Common Language Location Identifier) : MORNWYMARS1 MSA CBSA (Core Based Statistical Area) : Jackson, WY-ID MSA CBSA Code (Core Based Statistical Area) : 27220 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : MORAN Latitude : 43.8803 Longitude : -110.5721 ‹ previous : 307-541 next › : 307-543 Telephone Number List 307-543-0000 ~ 307-543-9999