Prefix overview
Phone numbers in prefix 539-666
This page covers the 539-666 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
539-666
RATE CENTER
TULSA
CARRIER
ONVOY, LLC - OK
OK
Prefix range
The prefix 539-666 includes numbers from 5396660000 to 5396669999.
This range is associated with the TULSA rate center and was originally assigned to ONVOY, LLC - OK.
Numbers in this prefix
20 numbers