Prefix overview
Phone numbers in prefix 307-486
This page covers the 307-486 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
307-486
RATE CENTER
CROWHEART
CARRIER
DUBOIS TEL. EXCH., INC.
WY
Prefix range
The prefix 307-486 includes numbers from 3074860000 to 3074869999.
This range is associated with the CROWHEART rate center and was originally assigned to DUBOIS TEL. EXCH., INC..
Numbers in this prefix
20 numbers