Prefix overview
Phone numbers in prefix 631-340
This page covers the 631-340 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
631-340
RATE CENTER
BABYLON
CARRIER
SPOK, INC.
NY
Prefix range
The prefix 631-340 includes numbers from 6313400000 to 6313409999.
This range is associated with the BABYLON rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers