Prefix overview
Phone numbers in prefix 350-530
This page covers the 350-530 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
350-530
RATE CENTER
ESCALON
CARRIER
ONVOY SPECTRUM, LLC
CA
Prefix range
The prefix 350-530 includes numbers from 3505300000 to 3505309999.
This range is associated with the ESCALON rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers