Prefix overview
Phone numbers in prefix 309-354
This page covers the 309-354 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
309-354
RATE CENTER
MACKINAW
CARRIER
ITV-3, LLC D/B/A I3 BROADBAND
IL
Prefix range
The prefix 309-354 includes numbers from 3093540000 to 3093549999.
This range is associated with the MACKINAW rate center and was originally assigned to ITV-3, LLC D/B/A I3 BROADBAND.
Numbers in this prefix
20 numbers