Prefix overview
Phone numbers in prefix 281-368
This page covers the 281-368 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
281-368
RATE CENTER
HSTNSUBURB
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 281-368 includes numbers from 2813680000 to 2813689999.
This range is associated with the HSTNSUBURB rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers