Area Code 405-276 located in TUTTLE, GRADY, OK, more detail is as below. Place NPA (Numbering Plan Area) : 405 NXX (Local Number Prefix) : 276 City : TUTTLE County : GRADY State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 2005-10-13 FIPS (Federal Information Processing Standards) : 40051 Rate Center : TUTTLE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 73089 Other Information NPANXX : 405276 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 : DOBSON TECHNOLOGIES-TRANSPORT & TELECOM SOL - OK OCN (Operating Company Number) : 390B Latitude : None Longitude : None ‹ previous : 405-275 next › : 405-277 Telephone Number List 405-276-0000 ~ 405-276-9999