Prefix overview
Phone numbers in prefix 440-348
This page covers the 440-348 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
440-348
RATE CENTER
TRINITY
CARRIER
XO OHIO, INC.
OH
Prefix range
The prefix 440-348 includes numbers from 4403480000 to 4403489999.
This range is associated with the TRINITY rate center and was originally assigned to XO OHIO, INC..
Numbers in this prefix
20 numbers