Prefix overview
Phone numbers in prefix 331-999
This page covers the 331-999 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
331-999
RATE CENTER
OSWEGO
CARRIER
BANDWIDTH.COM CLEC, LLC - IL
IL
Prefix range
The prefix 331-999 includes numbers from 3319990000 to 3319999999.
This range is associated with the OSWEGO rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - IL.
Numbers in this prefix
20 numbers