Prefix overview
Phone numbers in prefix 231-305
This page covers the 231-305 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
231-305
RATE CENTER
BIG RAPIDS
CARRIER
TELNET WORLDWIDE, INC.
MI
Prefix range
The prefix 231-305 includes numbers from 2313050000 to 2313059999.
This range is associated with the BIG RAPIDS rate center and was originally assigned to TELNET WORLDWIDE, INC..
Numbers in this prefix
20 numbers