Prefix overview
Phone numbers in prefix 603-274
This page covers the 603-274 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
603-274
RATE CENTER
SO HAMPTON
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH
NH
Prefix range
The prefix 603-274 includes numbers from 6032740000 to 6032749999.
This range is associated with the SO HAMPTON rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH.
Numbers in this prefix
20 numbers