Prefix overview
Phone numbers in prefix 312-470
This page covers the 312-470 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
312-470
RATE CENTER
CHICGOZN01
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
IL
Prefix range
The prefix 312-470 includes numbers from 3124700000 to 3124709999.
This range is associated with the CHICGOZN01 rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers