Prefix overview
Phone numbers in prefix 858-347
This page covers the 858-347 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
858-347
RATE CENTER
DEL MAR
CARRIER
SPOK, INC.
CA
Prefix range
The prefix 858-347 includes numbers from 8583470000 to 8583479999.
This range is associated with the DEL MAR rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers