Prefix overview
Phone numbers in prefix 856-436
This page covers the 856-436 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
856-436
RATE CENTER
HADDON HTS
CARRIER
BANDWIDTH.COM CLEC, LLC - NJ
NJ
Prefix range
The prefix 856-436 includes numbers from 8564360000 to 8564369999.
This range is associated with the HADDON HTS rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - NJ.
Numbers in this prefix
20 numbers