Prefix overview
Phone numbers in prefix 608-307
This page covers the 608-307 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
608-307
RATE CENTER
JANESVILLE
CARRIER
SPOK, INC.
WI
Prefix range
The prefix 608-307 includes numbers from 6083070000 to 6083079999.
This range is associated with the JANESVILLE rate center and was originally assigned to SPOK, INC..
Numbers in this prefix
20 numbers