Prefix overview
Phone numbers in prefix 631-406
This page covers the 631-406 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
631-406
RATE CENTER
SMITHTOWN
CARRIER
RCN TELECOM SERVICES, INC. - NY
NY
Prefix range
The prefix 631-406 includes numbers from 6314060000 to 6314069999.
This range is associated with the SMITHTOWN rate center and was originally assigned to RCN TELECOM SERVICES, INC. - NY.
Numbers in this prefix
20 numbers