Prefix overview
Phone numbers in prefix 817-256
This page covers the 817-256 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
817-256
RATE CENTER
FORT WORTH
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
TX
Prefix range
The prefix 817-256 includes numbers from 8172560000 to 8172569999.
This range is associated with the FORT WORTH rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers