Area Code 360-231 located in ARIEL, COWLITZ, WA, more detail is as below. Place NPA (Numbering Plan Area) : 360 NXX (Local Number Prefix) : 231 City : ARIEL County : COWLITZ State : WA (Washington) NXX Use Type : Landline NXX Intro Version : 1995-02-11 FIPS (Federal Information Processing Standards) : 53015 LATA (Local Access Transport Area) : 672 Rate Center : YALE ZIP Code Count : 186 ZIP Code Frequency : 97 ZIP Code : 98603 Other Information NPANXX : 360231 County Population : 0 Switch CLLI (Common Language Location Identifier) : YALEWAXXRS0 MSA CBSA (Core Based Statistical Area) : Longview, WA MSA CBSA Code (Core Based Statistical Area) : 31020 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : LEWIS RIVER TELEPHONE COMPANY, INC. OCN (Operating Company Number) : 2427 Coverage Area Name : YALE Latitude : 45.9968 Longitude : -122.3546 ‹ previous : 360-230 next › : 360-232 Telephone Number List 360-231-0000 ~ 360-231-9999