Prefix overview
Phone numbers in prefix 304-321
This page covers the 304-321 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
304-321
RATE CENTER
FRANKLIN
CARRIER
FIBERNET, LLC - WV
WV
Prefix range
The prefix 304-321 includes numbers from 3043210000 to 3043219999.
This range is associated with the FRANKLIN rate center and was originally assigned to FIBERNET, LLC - WV.
Numbers in this prefix
20 numbers