Area Code 405-221 located in HOLDENVILLE, HUGHES, OK, more detail is as below. Place NPA (Numbering Plan Area) : 405 NXX (Local Number Prefix) : 221 City : HOLDENVILLE County : HUGHES State : OK (Oklahoma) NXX Use Type : Wireless NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 40063 LATA (Local Access Transport Area) : 536 Rate Center : HOLDENVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 74848 Other Information NPANXX : 405221 Switch CLLI (Common Language Location Identifier) : OKCBOKHVCM0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : UNITED STATES CELLULAR CORP. - OKLAHOMA OCN (Operating Company Number) : 6272 Coverage Area Name : HOLDENVILLE Latitude : 35.0855 Longitude : -96.4053 ‹ previous : 405-220 next › : 405-222 Telephone Number List 405-221-0000 ~ 405-221-9999