Prefix overview
Phone numbers in prefix 251-448
This page covers the 251-448 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
251-448
RATE CENTER
MCCULLOUGH
CARRIER
ONVOY SPECTRUM, LLC
AL
Prefix range
The prefix 251-448 includes numbers from 2514480000 to 2514489999.
This range is associated with the MCCULLOUGH rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers