NPA-NXX - 240-383

This is the 240-383 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!

The 240-383 subcode mainly covers Washington in Montgomery county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Maryland state. Many of the numbers in this subcode are Cellular (Dedicated) registered to At&t Mobility. We hear they employ a large number of people in the Maryland office.
Recently there have been an increase in reported calls, we've had over 971777 comments across our systems for the 240-383 subcode.

Looking for a different number? Follow a link below to see our recently active.

585-466-9454 510-850-5449 720-517-4227 702-727-5390 231-399-9039
678-465-3752 615-281-5989 954-283-4501 856-385-6733 928-304-7527