Prefix overview
Phone numbers in prefix 928-359
This page covers the 928-359 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
928-359
RATE CENTER
DUNCAN
CARRIER
VALLEY TEL COOP INC
AZ
Prefix range
The prefix 928-359 includes numbers from 9283590000 to 9283599999.
This range is associated with the DUNCAN rate center and was originally assigned to VALLEY TEL COOP INC.
Numbers in this prefix
20 numbers