Prefix overview
Phone numbers in prefix 743-777
This page covers the 743-777 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
743-777
RATE CENTER
SUMMERFLD
CARRIER
TELNYX LLC
NC
Prefix range
The prefix 743-777 includes numbers from 7437770000 to 7437779999.
This range is associated with the SUMMERFLD rate center and was originally assigned to TELNYX LLC.
Numbers in this prefix
20 numbers