Area Code 541-522 located in FIELDS, HARNEY, OR, more detail is as below. Place NPA (Numbering Plan Area) : 541 NXX (Local Number Prefix) : 522 City : FIELDS County : HARNEY State : OR (Oregon) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 41025 LATA (Local Access Transport Area) : 720 Rate Center : QUINN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 97710 Other Information NPANXX : 541522 County Population : 0 Switch CLLI (Common Language Location Identifier) : MCDRNV11RS1 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : HUMBOLDT TELEPHONE COMPANY OCN (Operating Company Number) : 3304 Coverage Area Name : FIELDS Latitude : 41.9972 Longitude : -117.7169 ‹ previous : 541-521 next › : 541-523 Telephone Number List 541-522-0000 ~ 541-522-9999