Prefix overview
Phone numbers in prefix 423-420
This page covers the 423-420 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
423-420
RATE CENTER
MADISONVL
CARRIER
BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
TN
Prefix range
The prefix 423-420 includes numbers from 4234200000 to 4234209999.
This range is associated with the MADISONVL rate center and was originally assigned to BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL.
Numbers in this prefix
20 numbers