New Area Code Will Require Ten Digit Dialing

The Oklahoma Corporate Commission (OCC) reminds residential and business customers served by the 405 area code that they will soon be required to dial the area code when making any call, local or long distant. This mandatory dialing begins on April 24. Also, beginning on May 24, new customers may be assigned a 572 area code instead of 405. Existing phone numbers will not be changed. L...