5 area codes assigned to Oklahoma · Central Time
405
Oklahoma
Central Time
539
Oklahoma
Central Time
572
Oklahoma
Central Time
580
Oklahoma
Central Time
918
Oklahoma
Central Time
Oklahoma is served by 5 area codes in the North American Numbering Plan (NANP): 405, 539, 572, 580, 918. All Oklahoma numbers are in the Central Time zone. Click any area code above to see the cities and rate centers it covers, formatted tel: link examples, and to search for available phone numbers.