Prefix overview
Phone numbers in prefix 304-474
This page covers the 304-474 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
304-474
RATE CENTER
ROCKPORT
CARRIER
ARMSTRONG TEL. CO.
WV
Prefix range
The prefix 304-474 includes numbers from 3044740000 to 3044749999.
This range is associated with the ROCKPORT rate center and was originally assigned to ARMSTRONG TEL. CO..
Numbers in this prefix
20 numbers