Prefix overview
Phone numbers in prefix 580-255
This page covers the 580-255 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
580-255
RATE CENTER
DUNCAN
CARRIER
SOUTHWESTERN BELL
OK
Prefix range
The prefix 580-255 includes numbers from 5802550000 to 5802559999.
This range is associated with the DUNCAN rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers