Area Code 580-464 located in CYRIL, CADDO, OK, more detail is as below. Place NPA (Numbering Plan Area) : 580 NXX (Local Number Prefix) : 464 City : CYRIL County : CADDO State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 40015 LATA (Local Access Transport Area) : 536 Rate Center : CYRIL ZIP Code Count : 830 ZIP Code Frequency : 100 ZIP Code : 73029 Other Information NPANXX : 580464 County Population : 0 Switch CLLI (Common Language Location Identifier) : CYRLOKXADS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : OKLAHOMA COMMUNICATION SYSTEM, INC. OCN (Operating Company Number) : 1984 Coverage Area Name : CYRIL Latitude : 34.9009 Longitude : -98.2017 ‹ previous : 580-463 next › : 580-465 Telephone Number List 580-464-0000 ~ 580-464-9999