Prefix overview
Phone numbers in prefix 865-556
This page covers the 865-556 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
865-556
RATE CENTER
KNOXVILLE
CARRIER
UNITED STATES CELLULAR - TN
TN
Prefix range
The prefix 865-556 includes numbers from 8655560000 to 8655569999.
This range is associated with the KNOXVILLE rate center and was originally assigned to UNITED STATES CELLULAR - TN.
Numbers in this prefix
20 numbers