Prefix overview
Phone numbers in prefix 631-481
This page covers the 631-481 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
631-481
RATE CENTER
ISLIP
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY
NY
Prefix range
The prefix 631-481 includes numbers from 6314810000 to 6314819999.
This range is associated with the ISLIP rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY.
Numbers in this prefix
20 numbers