Prefix overview
Phone numbers in prefix 414-377
This page covers the 414-377 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
414-377
RATE CENTER
MILWAUKZN3
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - WI
WI
Prefix range
The prefix 414-377 includes numbers from 4143770000 to 4143779999.
This range is associated with the MILWAUKZN3 rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - WI.
Numbers in this prefix
20 numbers