Prefix overview
Phone numbers in prefix 304-495
This page covers the 304-495 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
304-495
RATE CENTER
SUMMERSVL
CARRIER
NORTH COUNTY COMMUNICATION CORPORATION - CA
WV
Prefix range
The prefix 304-495 includes numbers from 3044950000 to 3044959999.
This range is associated with the SUMMERSVL rate center and was originally assigned to NORTH COUNTY COMMUNICATION CORPORATION - CA.
Numbers in this prefix
20 numbers