Prefix overview
Phone numbers in prefix 831-274
This page covers the 831-274 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
831-274
RATE CENTER
WATSONVL
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - CA
CA
Prefix range
The prefix 831-274 includes numbers from 8312740000 to 8312749999.
This range is associated with the WATSONVL rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - CA.
Numbers in this prefix
20 numbers