Prefix overview
Phone numbers in prefix 920-478
This page covers the 920-478 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
920-478
RATE CENTER
WATERLOO
CARRIER
FRONTIER NORTH INC. - WI
WI
Prefix range
The prefix 920-478 includes numbers from 9204780000 to 9204789999.
This range is associated with the WATERLOO rate center and was originally assigned to FRONTIER NORTH INC. - WI.
Numbers in this prefix
20 numbers