Prefix overview
Phone numbers in prefix 330-390
This page covers the 330-390 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
330-390
RATE CENTER
MILLERSBG
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
OH
Prefix range
The prefix 330-390 includes numbers from 3303900000 to 3303909999.
This range is associated with the MILLERSBG rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers