Prefix overview
Phone numbers in prefix 707-256
This page covers the 707-256 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
707-256
RATE CENTER
NAPA
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 707-256 includes numbers from 7072560000 to 7072569999.
This range is associated with the NAPA rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers