Prefix overview
Phone numbers in prefix 309-389
This page covers the 309-389 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
309-389
RATE CENTER
GLASFORD
CARRIER
GLASFORD TEL. CO.
IL
Prefix range
The prefix 309-389 includes numbers from 3093890000 to 3093899999.
This range is associated with the GLASFORD rate center and was originally assigned to GLASFORD TEL. CO..
Numbers in this prefix
20 numbers