• Oklahoma Adopts Relief Plan For 405 NPA - 3/10/20

  • $ 40.00

  • Description

    The Oklahoma Corporation Commission (Commission) has adopted an all services distributed overlay as the form of relief for the 405 Numbering Plan Area (NPA).  As recommended by the industry, the implementation schedule will allow for a six month period of permissive 10-digit dialing, during which time local calls will still be connected even when dialing seven digits.

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