Area Code 580
Local Presence for Lawton, Enid, Ponca City, Ardmore, and Duncan
You can increase your connection rate up to 30% by dialing from a local number.
Local Presence by Tenfold gives you one-click access from your existing phone system to a local number in the US area code 580 and more than 200 others.
Reach out to customers in Lawton, Enid, Ponca City, Ardmore, and Duncan.
Source: Wikipedia