NPA-NXX - 336-321

This is the 336-321 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. 336
3. 336-321

The 336-321 subcode mainly covers Greensboro in Guilford county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of North Carolina state. Many of the numbers in this subcode are Paging (Dedicated) registered to Usa Mobility. We hear they employ a large number of people in the North Carolina office.
Recently there have been an increase in reported calls, we've had over 488406 comments across our systems for the 336-321 subcode.