Prefix overview
Phone numbers in prefix 623-518
This page covers the 623-518 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
623-518
RATE CENTER
PHOENIX
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
AZ
Prefix range
The prefix 623-518 includes numbers from 6235180000 to 6235189999.
This range is associated with the PHOENIX rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers