Prefix overview
Phone numbers in prefix 231-257
This page covers the 231-257 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
231-257
RATE CENTER
LAKE CITY
CARRIER
PENINSULA FIBER NETWORK, LLC - MI
MI
Prefix range
The prefix 231-257 includes numbers from 2312570000 to 2312579999.
This range is associated with the LAKE CITY rate center and was originally assigned to PENINSULA FIBER NETWORK, LLC - MI.
Numbers in this prefix
20 numbers