Prefix overview
Phone numbers in prefix 925-278
This page covers the 925-278 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
925-278
RATE CENTER
WALNUT CRK
CARRIER
COMCAST IP PHONE, LLC
CA
Prefix range
The prefix 925-278 includes numbers from 9252780000 to 9252789999.
This range is associated with the WALNUT CRK rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers