NPA-NXX - 314-377

This is the 314-377 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. 314
3. 314-377

The 314-377 subcode mainly covers Ladue in St. Louis county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Missouri state. Many of the numbers in this subcode are Regular Landline registered to Big River Telephone. We hear they employ a large number of people in the Missouri office.
Recently there have been an increase in reported calls, we've had over 998954 comments across our systems for the 314-377 subcode.