NPA-NXX - 240-478
This is the 240-478 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 240-478 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 240-478 subcode.
Looking for a different number? Follow a link below to see our recently active.
312-869-2869 717-625-1326 904-517-1286 518-443-4903 208-425-3825947-213-8727 970-673-1250 210-897-4756 530-340-9199 509-683-1220