Prefix overview
Phone numbers in prefix 743-343
This page covers the 743-343 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
743-343
RATE CENTER
LEWISVILLE
CARRIER
ONVOY SPECTRUM, LLC
NC
Prefix range
The prefix 743-343 includes numbers from 7433430000 to 7433439999.
This range is associated with the LEWISVILLE rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers