Prefix overview
Phone numbers in prefix 909-397
This page covers the 909-397 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
909-397
RATE CENTER
POMONA
CARRIER
FRONTIER CALIFORNIA INC.
CA
Prefix range
The prefix 909-397 includes numbers from 9093970000 to 9093979999.
This range is associated with the POMONA rate center and was originally assigned to FRONTIER CALIFORNIA INC..
Numbers in this prefix
20 numbers