Prefix overview
Phone numbers in prefix 231-514
This page covers the 231-514 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
231-514
RATE CENTER
CADILLAC
CARRIER
AMERICAN MESSAGING SERVICES, LLC
MI
Prefix range
The prefix 231-514 includes numbers from 2315140000 to 2315149999.
This range is associated with the CADILLAC rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers