Prefix overview
Phone numbers in prefix 631-238
This page covers the 631-238 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
631-238
RATE CENTER
MONTAUK PT
CARRIER
CSC VOICE, LLC
NY
Prefix range
The prefix 631-238 includes numbers from 6312380000 to 6312389999.
This range is associated with the MONTAUK PT rate center and was originally assigned to CSC VOICE, LLC.
Numbers in this prefix
20 numbers