Prefix overview
Phone numbers in prefix 603-210
This page covers the 603-210 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
603-210
RATE CENTER
SUNCOOK
CARRIER
COMCAST IP PHONE, LLC
NH
Prefix range
The prefix 603-210 includes numbers from 6032100000 to 6032109999.
This range is associated with the SUNCOOK rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers