Prefix overview
Phone numbers in prefix 603-418
This page covers the 603-418 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
603-418
RATE CENTER
EXETER
CARRIER
PAETEC ITEL, LLC
NH
Prefix range
The prefix 603-418 includes numbers from 6034180000 to 6034189999.
This range is associated with the EXETER rate center and was originally assigned to PAETEC ITEL, LLC.
Numbers in this prefix
20 numbers