Prefix overview
Phone numbers in prefix 310-392
This page covers the 310-392 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
310-392
RATE CENTER
SNMN SNMN
CARRIER
FRONTIER CALIFORNIA INC.
CA
Prefix range
The prefix 310-392 includes numbers from 3103920000 to 3103929999.
This range is associated with the SNMN SNMN rate center and was originally assigned to FRONTIER CALIFORNIA INC..
Numbers in this prefix
20 numbers