Area Code 580-435 located in ALINE, ALFALFA, OK, more detail is as below. Place NPA (Numbering Plan Area) : 580 NXX (Local Number Prefix) : 435 City : ALINE County : ALFALFA State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 40003 LATA (Local Access Transport Area) : 536 Rate Center : HOPETON ZIP Code Count : 8 ZIP Code Frequency : 7 ZIP Code : 73716 Other Information NPANXX : 580435 County Population : 0 Switch CLLI (Common Language Location Identifier) : HPTNOKXARS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : PIONEER TELEPHONE COOPERATIVE, INC. OCN (Operating Company Number) : 2018 Coverage Area Name : DACOMA Latitude : 36.6816 Longitude : -98.6695 ‹ previous : 580-435 next › : 580-435 Telephone Number List 580-435-0000 ~ 580-435-9999