Prefix overview
Phone numbers in prefix 330-404
This page covers the 330-404 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
330-404
RATE CENTER
YOUNGSTOWN
CARRIER
SPOK, INC.
OH
Prefix range
The prefix 330-404 includes numbers from 3304040000 to 3304049999.
This range is associated with the YOUNGSTOWN rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers