Prefix overview
Phone numbers in prefix 707-278
This page covers the 707-278 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
707-278
RATE CENTER
KELSEYVL
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 707-278 includes numbers from 7072780000 to 7072789999.
This range is associated with the KELSEYVL rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers