Prefix overview
Phone numbers in prefix 321-399
This page covers the 321-399 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
321-399
RATE CENTER
COCOABEACH
CARRIER
FRACTEL, LLC
FL
Prefix range
The prefix 321-399 includes numbers from 3213990000 to 3213999999.
This range is associated with the COCOABEACH rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers