Area Code 405-274 located in CHICKASHA, GRADY, OK, more detail is as below. Place NPA (Numbering Plan Area) : 405 NXX (Local Number Prefix) : 274 City : CHICKASHA County : GRADY State : OK (Oklahoma) NXX Use Type : Wireless NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 40051 LATA (Local Access Transport Area) : 536 Rate Center : CHICKASHA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 73018 Other Information NPANXX : 405274 Switch CLLI (Common Language Location Identifier) : OKCAOKDGCM0 MSA CBSA (Core Based Statistical Area) : Oklahoma City, OK MSA CBSA Code (Core Based Statistical Area) : 36420 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : CHICKASHA Latitude : 35.0501 Longitude : -97.9397 ‹ previous : 405-273 next › : 405-275 Telephone Number List 405-274-0000 ~ 405-274-9999