Prefix overview
Phone numbers in prefix 858-338
This page covers the 858-338 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
858-338
RATE CENTER
HARBSNALPN
CARRIER
ONVOY, LLC - CA
CA
Prefix range
The prefix 858-338 includes numbers from 8583380000 to 8583389999.
This range is associated with the HARBSNALPN rate center and was originally assigned to ONVOY, LLC - CA.
Numbers in this prefix
20 numbers