Prefix overview
Phone numbers in prefix 909-423
This page covers the 909-423 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
909-423
RATE CENTER
COLTON
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 909-423 includes numbers from 9094230000 to 9094239999.
This range is associated with the COLTON rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers