Prefix overview
Phone numbers in prefix 743-643
This page covers the 743-643 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
743-643
RATE CENTER
GREENSBORO
CARRIER
HD CARRIER LLC
NC
Prefix range
The prefix 743-643 includes numbers from 7436430000 to 7436439999.
This range is associated with the GREENSBORO rate center and was originally assigned to HD CARRIER LLC.
Numbers in this prefix
20 numbers