Prefix overview
Phone numbers in prefix 743-439
This page covers the 743-439 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
743-439
RATE CENTER
SUMMERFLD
CARRIER
TON80 COMMUNICATIONS, LLC
NC
Prefix range
The prefix 743-439 includes numbers from 7434390000 to 7434399999.
This range is associated with the SUMMERFLD rate center and was originally assigned to TON80 COMMUNICATIONS, LLC.
Numbers in this prefix
20 numbers