Prefix overview
Phone numbers in prefix 209-331
This page covers the 209-331 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
209-331
RATE CENTER
LODI
CARRIER
PACIFIC BELL
CA
Prefix range
The prefix 209-331 includes numbers from 2093310000 to 2093319999.
This range is associated with the LODI rate center and was originally assigned to PACIFIC BELL.
Numbers in this prefix
20 numbers