NPA-NXX - 540-664

This is the 540-664 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. 540
3. 540-664

The 540-664 subcode mainly covers Winchester in Winchester county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Virginia state. Many of the numbers in this subcode are Miscellaneous registered to Sprint. We hear they employ a large number of people in the Virginia office.
Recently there have been an increase in reported calls, we've had over 26203 comments across our systems for the 540-664 subcode.