Prefix overview
Phone numbers in prefix 618-321
This page covers the 618-321 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
618-321
RATE CENTER
COLLINSVL
CARRIER
AMERICAN MESSAGING SERVICES, LLC
IL
Prefix range
The prefix 618-321 includes numbers from 6183210000 to 6183219999.
This range is associated with the COLLINSVL rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers