Prefix overview
Phone numbers in prefix 330-257
This page covers the 330-257 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
330-257
RATE CENTER
ALLIANCE
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
OH
Prefix range
The prefix 330-257 includes numbers from 3302570000 to 3302579999.
This range is associated with the ALLIANCE rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers