Prefix overview
Phone numbers in prefix 660-389
This page covers the 660-389 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
660-389
RATE CENTER
SO HAMBURG
CARRIER
ROCK PORT TEL. CO.
MO
Prefix range
The prefix 660-389 includes numbers from 6603890000 to 6603899999.
This range is associated with the SO HAMBURG rate center and was originally assigned to ROCK PORT TEL. CO..
Numbers in this prefix
20 numbers