Prefix overview
Phone numbers in prefix 618-300
This page covers the 618-300 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
618-300
RATE CENTER
CARBONDALE
CARRIER
ONVOY, LLC
IL
Prefix range
The prefix 618-300 includes numbers from 6183000000 to 6183009999.
This range is associated with the CARBONDALE rate center and was originally assigned to ONVOY, LLC.
Numbers in this prefix
20 numbers