Prefix overview
Phone numbers in prefix 231-338
This page covers the 231-338 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
231-338
RATE CENTER
BALDWIN
CARRIER
BANDWIDTH.COM CLEC, LLC - MI
MI
Prefix range
The prefix 231-338 includes numbers from 2313380000 to 2313389999.
This range is associated with the BALDWIN rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - MI.
Numbers in this prefix
20 numbers