Prefix overview
Phone numbers in prefix 631-221
This page covers the 631-221 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
631-221
RATE CENTER
NASSAUZN09
CARRIER
VERIZON NEW YORK, INC.
NY
Prefix range
The prefix 631-221 includes numbers from 6312210000 to 6312219999.
This range is associated with the NASSAUZN09 rate center and was originally assigned to VERIZON NEW YORK, INC..
Numbers in this prefix
20 numbers