Area Code 541-403 located in BAKER CITY, BAKER, OR, more detail is as below. Place NPA (Numbering Plan Area) : 541 NXX (Local Number Prefix) : 403 City : BAKER CITY County : BAKER State : OR (Oregon) NXX Use Type : Wireless NXX Intro Version : 2003-02-09 FIPS (Federal Information Processing Standards) : 41001 LATA (Local Access Transport Area) : 672 Rate Center : BAKER ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 97814 Other Information NPANXX : 541403 County Population : 0 Switch CLLI (Common Language Location Identifier) : BKCTOR010MD Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : UNITED STATES CELLULAR CORP. - OREGON OCN (Operating Company Number) : 6349 Coverage Area Name : BAKER Latitude : 44.7816 Longitude : -117.8419 ‹ previous : 541-402 next › : 541-404 Telephone Number List 541-403-0000 ~ 541-403-9999