Prefix overview
Phone numbers in prefix 534-777
This page covers the 534-777 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
534-777
RATE CENTER
VESPER
CARRIER
FRACTEL, LLC
WI
Prefix range
The prefix 534-777 includes numbers from 5347770000 to 5347779999.
This range is associated with the VESPER rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers