Prefix overview
Phone numbers in prefix 810-503
This page covers the 810-503 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
810-503
RATE CENTER
DAVISON
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC - MI
MI
Prefix range
The prefix 810-503 includes numbers from 8105030000 to 8105039999.
This range is associated with the DAVISON rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC - MI.
Numbers in this prefix
20 numbers