Prefix overview
Phone numbers in prefix 810-433
This page covers the 810-433 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
810-433
RATE CENTER
FENTON
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MI
MI
Prefix range
The prefix 810-433 includes numbers from 8104330000 to 8104339999.
This range is associated with the FENTON rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MI.
Numbers in this prefix
20 numbers