NPA-NXX - 520-642

This is the 520-642 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. 520
3. 520-642

The 520-642 subcode mainly covers Elfrida in Cochise county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Arizona state. Many of the numbers in this subcode are Regular Landline registered to Copper Valley Telephone. We hear they employ a large number of people in the Arizona office.
Recently there have been an increase in reported calls, we've had over 131346 comments across our systems for the 520-642 subcode.