Prefix overview
Phone numbers in prefix 839-666
This page covers the 839-666 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
839-666
RATE CENTER
ESTILL
CARRIER
FRACTEL, LLC
SC
Prefix range
The prefix 839-666 includes numbers from 8396660000 to 8396669999.
This range is associated with the ESTILL rate center and was originally assigned to FRACTEL, LLC.
Numbers in this prefix
20 numbers