Prefix overview
Phone numbers in prefix 307-455
This page covers the 307-455 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
307-455
RATE CENTER
DUBOIS
CARRIER
DUBOIS TEL. EXCH., INC.
WY
Prefix range
The prefix 307-455 includes numbers from 3074550000 to 3074559999.
This range is associated with the DUBOIS rate center and was originally assigned to DUBOIS TEL. EXCH., INC..
Numbers in this prefix
20 numbers