Prefix overview
Phone numbers in prefix 951-299
This page covers the 951-299 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
951-299
RATE CENTER
ARLINGTON
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
CA
Prefix range
The prefix 951-299 includes numbers from 9512990000 to 9512999999.
This range is associated with the ARLINGTON rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers