Prefix overview
Phone numbers in prefix 810-203
This page covers the 810-203 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
810-203
RATE CENTER
APPLEGATE
CARRIER
AMERICAN MESSAGING SERVICES, LLC
MI
Prefix range
The prefix 810-203 includes numbers from 8102030000 to 8102039999.
This range is associated with the APPLEGATE rate center and was originally assigned to AMERICAN MESSAGING SERVICES, LLC.
Numbers in this prefix
20 numbers