Prefix overview
Phone numbers in prefix 631-407
This page covers the 631-407 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
631-407
RATE CENTER
SOUTHOLD
CARRIER
BANDWIDTH.COM CLEC, LLC - NY
NY
Prefix range
The prefix 631-407 includes numbers from 6314070000 to 6314079999.
This range is associated with the SOUTHOLD rate center and was originally assigned to BANDWIDTH.COM CLEC, LLC - NY.
Numbers in this prefix
20 numbers