Prefix overview
Phone numbers in prefix 308-257
This page covers the 308-257 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
308-257
RATE CENTER
NO PLATTE
CARRIER
COMCAST IP PHONE, LLC
NE
Prefix range
The prefix 308-257 includes numbers from 3082570000 to 3082579999.
This range is associated with the NO PLATTE rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers