Area Code 307-201 located in JACKSON, TETON, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 201 City : JACKSON County : TETON State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 56039 LATA (Local Access Transport Area) : 654 Rate Center : JACKSON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 83001 Other Information NPANXX : 307201 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHYNWYMAEMD 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 : LEVEL 3 COMMUNICATIONS, LLC - WY OCN (Operating Company Number) : 9416 Coverage Area Name : JACKSON Latitude : 43.4728 Longitude : -110.7582 ‹ previous : 307-200 next › : 307-202 Telephone Number List 307-201-0000 ~ 307-201-9999