Prefix overview
Phone numbers in prefix 312-757
This page covers the 312-757 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
312-757
RATE CENTER
CHICGOZN01
CARRIER
BANDWIDTH.COM CLEC, LLC - IL
IL
Prefix range
The prefix 312-757 includes numbers from 3127570000 to 3127579999.
This range is associated with the CHICGOZN01 rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - IL.
Numbers in this prefix
20 numbers