Prefix overview
Phone numbers in prefix 217-255
This page covers the 217-255 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
217-255
RATE CENTER
CHAMPAURBN
CARRIER
ILLINOIS BELL TEL CO
IL
Prefix range
The prefix 217-255 includes numbers from 2172550000 to 2172559999.
This range is associated with the CHAMPAURBN rate center and was originally assigned to ILLINOIS BELL TEL CO.
Numbers in this prefix
20 numbers