Area Code 918-886 located in BARTLESVILLE, WASHINGTON, OK, more detail is as below. Place NPA (Numbering Plan Area) : 918 NXX (Local Number Prefix) : 886 City : BARTLESVILLE County : WASHINGTON State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 1/18/2010 FIPS (Federal Information Processing Standards) : 40147 LATA (Local Access Transport Area) : 538 Rate Center : BARTLESVL ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 74006 Other Information NPANXX : 918886 MSA CBSA (Core Based Statistical Area) : Bartlesville, OK MSA CBSA Code (Core Based Statistical Area) : 12780 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : TC SYSTEMS, INC. - OK OCN (Operating Company Number) : 530C Coverage Area Name : BARTLESVILLE Latitude : 36.7449 Longitude : -95.9770 ‹ previous : 918-885 next › : 918-887 Telephone Number List 918-886-0000 ~ 918-886-9999