Prefix overview
Phone numbers in prefix 928-437
This page covers the 928-437 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
928-437
RATE CENTER
GRANDCNYON
CARRIER
ONVOY, LLC - AZ
AZ
Prefix range
The prefix 928-437 includes numbers from 9284370000 to 9284379999.
This range is associated with the GRANDCNYON rate center and was originally assigned to ONVOY, LLC - AZ.
Numbers in this prefix
20 numbers