Prefix overview
Phone numbers in prefix 304-355
This page covers the 304-355 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
304-355
RATE CENTER
PIEDMONT
CARRIER
FRONTIER WEST VIRGINIA INC.
WV
Prefix range
The prefix 304-355 includes numbers from 3043550000 to 3043559999.
This range is associated with the PIEDMONT rate center and was originally assigned to FRONTIER WEST VIRGINIA INC..
Numbers in this prefix
20 numbers