Area Code 539-573 located in TULSA, TULSA, OK, more detail is as below. Place NPA (Numbering Plan Area) : 539 NXX (Local Number Prefix) : 573 City : TULSA County : TULSA State : OK (Oklahoma) NXX Use Type : Landline NXX Intro Version : 10/4/2011 FIPS (Federal Information Processing Standards) : 40143 LATA (Local Access Transport Area) : 538 Rate Center : TULSA ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 74172 Other Information NPANXX : 539573 County Population : 0 MSA CBSA (Core Based Statistical Area) : Tulsa, OK MSA CBSA Code (Core Based Statistical Area) : 46140 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Overlay : L Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : TULSA Latitude : 36.1509 Longitude : -95.9853 ‹ previous : 539-225 next › : 539-664 Telephone Number List 539-573-0000 ~ 539-573-9999