Prefix overview
Phone numbers in prefix 312-429
This page covers the 312-429 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
312-429
RATE CENTER
CHICGOZN01
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - IL
IL
Prefix range
The prefix 312-429 includes numbers from 3124290000 to 3124299999.
This range is associated with the CHICGOZN01 rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - IL.
Numbers in this prefix
20 numbers