Prefix overview
Phone numbers in prefix 989-431
This page covers the 989-431 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
989-431
RATE CENTER
CASS CITY
CARRIER
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
MI
Prefix range
The prefix 989-431 includes numbers from 9894310000 to 9894319999.
This range is associated with the CASS CITY rate center and was originally assigned to OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC.
Numbers in this prefix
20 numbers