Prefix overview
Phone numbers in prefix 321-473
This page covers the 321-473 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
321-473
RATE CENTER
MELBOURNE
CARRIER
LEVEL 3 TELECOM OF FLORIDA, LP - FL
FL
Prefix range
The prefix 321-473 includes numbers from 3214730000 to 3214739999.
This range is associated with the MELBOURNE rate center and was originally assigned to LEVEL 3 TELECOM OF FLORIDA, LP - FL.
Numbers in this prefix
20 numbers