Prefix overview
Phone numbers in prefix 304-312
This page covers the 304-312 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
304-312
RATE CENTER
WHELNGZON1
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
WV
Prefix range
The prefix 304-312 includes numbers from 3043120000 to 3043129999.
This range is associated with the WHELNGZON1 rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers