NPA-NXX - 580-637

This is the 580-637 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 580
3. 580-637

The 580-637 subcode mainly covers Alfalfa in Caddo county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Oklahoma state. Many of the numbers in this subcode are Regular Landline registered to Carnegie Telephone Company. We hear they employ a large number of people in the Oklahoma office.
Recently there have been an increase in reported calls, we've had over 29600 comments across our systems for the 580-637 subcode.