Prefix overview
Phone numbers in prefix 201-256
This page covers the 201-256 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
201-256
RATE CENTER
CLOSTER
CARRIER
AT&T - LOCAL
NJ
Prefix range
The prefix 201-256 includes numbers from 2012560000 to 2012569999.
This range is associated with the CLOSTER rate center and was originally assigned to AT&T - LOCAL.
Numbers in this prefix
20 numbers