Prefix overview
Phone numbers in prefix 806-256
This page covers the 806-256 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
806-256
RATE CENTER
SHAMROCK
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 806-256 includes numbers from 8062560000 to 8062569999.
This range is associated with the SHAMROCK rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers