Prefix overview
Phone numbers in prefix 856-433
This page covers the 856-433 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
856-433
RATE CENTER
HADDONFLD
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - DC
NJ
Prefix range
The prefix 856-433 includes numbers from 8564330000 to 8564339999.
This range is associated with the HADDONFLD rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - DC.
Numbers in this prefix
20 numbers