Prefix overview
Phone numbers in prefix 831-350
This page covers the 831-350 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
831-350
RATE CENTER
TRES PINOS
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - CA
CA
Prefix range
The prefix 831-350 includes numbers from 8313500000 to 8313509999.
This range is associated with the TRES PINOS rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - CA.
Numbers in this prefix
20 numbers