Prefix overview
Phone numbers in prefix 603-379
This page covers the 603-379 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
603-379
RATE CENTER
RYE BEACH
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - NH
NH
Prefix range
The prefix 603-379 includes numbers from 6033790000 to 6033799999.
This range is associated with the RYE BEACH rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - NH.
Numbers in this prefix
20 numbers