Prefix overview
Phone numbers in prefix 989-478
This page covers the 989-478 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
989-478
RATE CENTER
GRAYLING
CARRIER
AMERICAN MESSAGING SERVICES, LLC
MI
Prefix range
The prefix 989-478 includes numbers from 9894780000 to 9894789999.
This range is associated with the GRAYLING rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers