Prefix overview
Phone numbers in prefix 603-291
This page covers the 603-291 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
603-291
RATE CENTER
GREENVILLE
CARRIER
COMCAST IP PHONE, LLC
NH
Prefix range
The prefix 603-291 includes numbers from 6032910000 to 6032919999.
This range is associated with the GREENVILLE rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers