Prefix overview
Phone numbers in prefix 448-251
This page covers the 448-251 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
448-251
RATE CENTER
FTWALTNBCH
CARRIER
ONVOY, LLC - FL
FL
Prefix range
The prefix 448-251 includes numbers from 4482510000 to 4482519999.
This range is associated with the FTWALTNBCH rate center and was originally assigned to ONVOY, LLC - FL.
Numbers in this prefix
20 numbers