Area Code 405-665 located in WYNNEWOOD, GARVIN, OK, more detail is as below. Place NPA (Numbering Plan Area) : 405 NXX (Local Number Prefix) : 665 City : WYNNEWOOD County : GARVIN State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 40049 LATA (Local Access Transport Area) : 536 Rate Center : WYNNEWOOD ZIP Code Count : 1736 ZIP Code Frequency : 100 ZIP Code : 73098 Other Information NPANXX : 405665 Switch CLLI (Common Language Location Identifier) : WYWDOKMARS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : WYNNEWOOD Latitude : 34.6426 Longitude : -97.1694 ‹ previous : 405-664 next › : 405-667 Telephone Number List 405-665-0000 ~ 405-665-9999