Prefix overview
Phone numbers in prefix 858-425
This page covers the 858-425 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
858-425
RATE CENTER
SNDG SNDG
CARRIER
ONVOY SPECTRUM, LLC
CA
Prefix range
The prefix 858-425 includes numbers from 8584250000 to 8584259999.
This range is associated with the SNDG SNDG rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers