Prefix overview
Phone numbers in prefix 865-303
This page covers the 865-303 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
865-303
RATE CENTER
OAK RIDGE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN
TN
Prefix range
The prefix 865-303 includes numbers from 8653030000 to 8653039999.
This range is associated with the OAK RIDGE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN.
Numbers in this prefix
20 numbers