Prefix overview
Phone numbers in prefix 858-223
This page covers the 858-223 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
858-223
RATE CENTER
SNDG LVTA
CARRIER
ONVOY, LLC - CA
CA
Prefix range
The prefix 858-223 includes numbers from 8582230000 to 8582239999.
This range is associated with the SNDG LVTA rate center and was originally assigned to ONVOY, LLC - CA.
Numbers in this prefix
20 numbers