NPA-NXX - 240-578

This is the 240-578 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 240-578 subcode mainly covers Frederick in Frederick 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 Verizon Wireless. 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 233385 comments across our systems for the 240-578 subcode.

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

435-319-7456 903-420-7741 213-694-9133 507-528-9898 559-368-1597
815-473-2621 781-487-9940 561-877-3409 845-733-8642 231-923-7841