Area Code 580-430 located in ALVA, WOODS, OK, more detail is as below. Place NPA (Numbering Plan Area) : 580 NXX (Local Number Prefix) : 430 City : ALVA County : WOODS State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 40151 LATA (Local Access Transport Area) : 536 Rate Center : ALVA ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 73717 Other Information NPANXX : 580430 County Population : 0 Switch CLLI (Common Language Location Identifier) : ALVAOKMARS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : ALVA Latitude : 36.8019 Longitude : -98.6738 ‹ previous : 580-430 next › : 580-431 Telephone Number List 580-430-0000 ~ 580-430-9999