Prefix overview
Phone numbers in prefix 304-499
This page covers the 304-499 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
304-499
RATE CENTER
MONTGOMERY
CARRIER
NORTH COUNTY COMMUNICATION CORPORATION - CA
WV
Prefix range
The prefix 304-499 includes numbers from 3044990000 to 3044999999.
This range is associated with the MONTGOMERY rate center and was originally assigned to NORTH COUNTY COMMUNICATION CORPORATION - CA.
Numbers in this prefix
20 numbers