Prefix overview
Phone numbers in prefix 340-423
This page covers the 340-423 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
340-423
RATE CENTER
CHTAMSTTHS
CARRIER
VITELCOM CELLULAR, INC.
VI
Prefix range
The prefix 340-423 includes numbers from 3404230000 to 3404239999.
This range is associated with the CHTAMSTTHS rate center and was originally assigned to VITELCOM CELLULAR, INC..
Numbers in this prefix
20 numbers