Prefix overview
Phone numbers in prefix 773-439
This page covers the 773-439 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
773-439
RATE CENTER
CHICGOZN03
CARRIER
RCN TELECOM SERVICES OF ILLINIOS, INC. - IL
IL
Prefix range
The prefix 773-439 includes numbers from 7734390000 to 7734399999.
This range is associated with the CHICGOZN03 rate center and was originally assigned to RCN TELECOM SERVICES OF ILLINIOS, INC. - IL.
Numbers in this prefix
20 numbers