Prefix overview
Phone numbers in prefix 630-438
This page covers the 630-438 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
630-438
RATE CENTER
ITASCA
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
IL
Prefix range
The prefix 630-438 includes numbers from 6304380000 to 6304389999.
This range is associated with the ITASCA rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers