Prefix overview
Phone numbers in prefix 645-400
This page covers the 645-400 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
645-400
RATE CENTER
MIAMI
CARRIER
LIVEWIRE TELECOM, LLC
FL
Prefix range
The prefix 645-400 includes numbers from 6454000000 to 6454009999.
This range is associated with the MIAMI rate center and was originally assigned to LIVEWIRE TELECOM, LLC.
Numbers in this prefix
20 numbers