Prefix overview
Phone numbers in prefix 641-543
This page covers the 641-543 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
641-543
RATE CENTER
ALTA VISTA
CARRIER
TON80 COMMUNICATIONS, LLC
IA
Prefix range
The prefix 641-543 includes numbers from 6415430000 to 6415439999.
This range is associated with the ALTA VISTA rate center and was originally assigned to TON80 COMMUNICATIONS, LLC.
Numbers in this prefix
20 numbers