Prefix overview
Phone numbers in prefix 309-487
This page covers the 309-487 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
309-487
RATE CENTER
DOWNS
CARRIER
MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL
IL
Prefix range
The prefix 309-487 includes numbers from 3094870000 to 3094879999.
This range is associated with the DOWNS rate center and was originally assigned to MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL.
Numbers in this prefix
20 numbers