Prefix overview
Phone numbers in prefix 350-750
This page covers the 350-750 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
350-750
RATE CENTER
SNRA MAIN
CARRIER
ONVOY SPECTRUM, LLC
CA
Prefix range
The prefix 350-750 includes numbers from 3507500000 to 3507509999.
This range is associated with the SNRA MAIN rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers