Prefix overview
Phone numbers in prefix 773-300
This page covers the 773-300 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
773-300
RATE CENTER
CHICGOZN05
CARRIER
ONVOY, LLC
IL
Prefix range
The prefix 773-300 includes numbers from 7733000000 to 7733009999.
This range is associated with the CHICGOZN05 rate center and was originally assigned to ONVOY, LLC.
Numbers in this prefix
20 numbers