Area Code 580-496 located in HELENA, ALFALFA, OK, more detail is as below. Place NPA (Numbering Plan Area) : 580 NXX (Local Number Prefix) : 496 City : HELENA 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 : GOLTRY ZIP Code Count : 4 ZIP Code Frequency : 2 ZIP Code : 73741 Other Information NPANXX : 580496 County Population : 0 Switch CLLI (Common Language Location Identifier) : GLTROKXARS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : KANOKLA TELEPHONE ASSOCIATION OCN (Operating Company Number) : 1788 Coverage Area Name : GOLTRY Latitude : 36.5351 Longitude : -98.1527 ‹ previous : 580-496 next › : 580-496 Telephone Number List 580-496-0000 ~ 580-496-9999