Area Code 307-382 located in ROCK SPRINGS, SWEETWATER, WY, more detail is as below. Place NPA (Numbering Plan Area) : 307 NXX (Local Number Prefix) : 382 City : ROCK SPRINGS County : SWEETWATER State : WY (Wyoming) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 56037 LATA (Local Access Transport Area) : 654 Rate Center : ROCK SPG ZIP Code Count : 4116 ZIP Code Frequency : 97 ZIP Code : 82901 Other Information NPANXX : 307382 County Population : 0 Switch CLLI (Common Language Location Identifier) : RCSPWYMADS0 MSA CBSA (Core Based Statistical Area) : Rock Springs, WY MSA CBSA Code (Core Based Statistical Area) : 40540 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : ROCK SPRINGS Latitude : 41.5821 Longitude : -109.2161 ‹ previous : 307-380 next › : 307-383 Telephone Number List 307-382-0000 ~ 307-382-9999