Prefix overview
Phone numbers in prefix 220-678
This page covers the 220-678 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
220-678
RATE CENTER
SOMERSET
CARRIER
AT&T - LOCAL
OH
Prefix range
The prefix 220-678 includes numbers from 2206780000 to 2206789999.
This range is associated with the SOMERSET rate center and was originally assigned to AT&T - LOCAL.
Numbers in this prefix
20 numbers