Prefix overview
Phone numbers in prefix 773-377
This page covers the 773-377 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
773-377
RATE CENTER
CHICGOZN11
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - IL
IL
Prefix range
The prefix 773-377 includes numbers from 7733770000 to 7733779999.
This range is associated with the CHICGOZN11 rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - IL.
Numbers in this prefix
20 numbers