Prefix overview
Phone numbers in prefix 618-423
This page covers the 618-423 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
618-423
RATE CENTER
RAMSEY
CARRIER
CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
IL
Prefix range
The prefix 618-423 includes numbers from 6184230000 to 6184239999.
This range is associated with the RAMSEY rate center and was originally assigned to CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL.
Numbers in this prefix
20 numbers