NPA-NXX - 443-631
This is the 443-631 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 443-631 subcode mainly covers Catonsville in Baltimore 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 805029 comments across our systems for the 443-631 subcode.
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203-963-7503 216-278-2275 570-323-9926 804-668-7248 724-275-1114818-539-6257 917-683-6554 805-870-6774 843-603-7022 603-764-7124