NPA-NXX - 312-387

This is the 312-387 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 312-387 subcode mainly covers Chicago in Cook county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Illinois state. Many of the numbers in this subcode are Paging (Dedicated) registered to Usa Mobility. We hear they employ a large number of people in the Illinois office.
Recently there have been an increase in reported calls, we've had over 5194675 comments across our systems for the 312-387 subcode.

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

650-747-1195 774-479-7138 830-216-3567 347-523-5684 908-638-9774
513-297-6056 252-448-2505 818-373-5882 314-833-6985 774-701-5030