NPA-NXX - 505-278

This is the 505-278 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. 505
3. 505-278

The 505-278 subcode mainly covers Farmington in San Juan county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of New Mexico state. Many of the numbers in this subcode are Regular Landline registered to Level 3. We hear they employ a large number of people in the New Mexico office.
Recently there have been an increase in reported calls, we've had over 130044 comments across our systems for the 505-278 subcode.