Prefix overview
Phone numbers in prefix 405-256
This page covers the 405-256 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
405-256
RATE CENTER
MUSTANG
CARRIER
COMCAST IP PHONE, LLC
OK
Prefix range
The prefix 405-256 includes numbers from 4052560000 to 4052569999.
This range is associated with the MUSTANG rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers