Prefix overview
Phone numbers in prefix 865-378
This page covers the 865-378 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
865-378
RATE CENTER
KNOXVILLE
CARRIER
IP HORIZON LLC
TN
Prefix range
The prefix 865-378 includes numbers from 8653780000 to 8653789999.
This range is associated with the KNOXVILLE rate center and was originally assigned to IP HORIZON LLC.
Numbers in this prefix
20 numbers