Prefix overview
Phone numbers in prefix 858-439
This page covers the 858-439 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
858-439
RATE CENTER
CHULAVISTA
CARRIER
NEW CINGULAR WIRELESS PCS, LLC
CA
Prefix range
The prefix 858-439 includes numbers from 8584390000 to 8584399999.
This range is associated with the CHULAVISTA rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC.
Numbers in this prefix
20 numbers