Prefix overview
Phone numbers in prefix 442-321
This page covers the 442-321 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
442-321
RATE CENTER
HOMESTDVLY
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
CA
Prefix range
The prefix 442-321 includes numbers from 4423210000 to 4423219999.
This range is associated with the HOMESTDVLY rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA.
Numbers in this prefix
20 numbers