Prefix overview
Phone numbers in prefix 442-421
This page covers the 442-421 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
442-421
RATE CENTER
LKISABELLA
CARRIER
ONVOY SPECTRUM, LLC
CA
Prefix range
The prefix 442-421 includes numbers from 4424210000 to 4424219999.
This range is associated with the LKISABELLA rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers