Prefix overview
Phone numbers in prefix 508-423
This page covers the 508-423 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
508-423
RATE CENTER
BILLERICA
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
MA
Prefix range
The prefix 508-423 includes numbers from 5084230000 to 5084239999.
This range is associated with the BILLERICA rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers