Prefix overview
Phone numbers in prefix 308-370
This page covers the 308-370 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
308-370
RATE CENTER
GRAND IS
CARRIER
N.E. COLORADO CELLULAR, INC.
NE
Prefix range
The prefix 308-370 includes numbers from 3083700000 to 3083709999.
This range is associated with the GRAND IS rate center and was originally assigned to N.E. COLORADO CELLULAR, INC..
Numbers in this prefix
20 numbers