Prefix overview
Phone numbers in prefix 217-421
This page covers the 217-421 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
217-421
RATE CENTER
DECATUR
CARRIER
ILLINOIS BELL TEL CO
IL
Prefix range
The prefix 217-421 includes numbers from 2174210000 to 2174219999.
This range is associated with the DECATUR rate center and was originally assigned to ILLINOIS BELL TEL CO.
Numbers in this prefix
20 numbers