Prefix overview
Phone numbers in prefix 631-315
This page covers the 631-315 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
631-315
RATE CENTER
MATTITUCK
CARRIER
CSC VOICE, LLC
NY
Prefix range
The prefix 631-315 includes numbers from 6313150000 to 6313159999.
This range is associated with the MATTITUCK rate center and was originally assigned to CSC VOICE, LLC.
Numbers in this prefix
20 numbers