NPA-NXX - 301-356

This is the 301-356 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. 301
3. 301-356

The 301-356 subcode mainly covers Laurel 236 in Prince George's 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 Regular Landline registered to Global Telecom Brokers. 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 863420 comments across our systems for the 301-356 subcode.