Prefix overview
Phone numbers in prefix 631-405
This page covers the 631-405 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
631-405
RATE CENTER
RIVERHEAD
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY
NY
Prefix range
The prefix 631-405 includes numbers from 6314050000 to 6314059999.
This range is associated with the RIVERHEAD rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY.
Numbers in this prefix
20 numbers