Prefix overview
Phone numbers in prefix 608-440
This page covers the 608-440 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
608-440
RATE CENTER
MADISON
CARRIER
TELEPORT COMMUNICATIONS AMERICA, LLC WI
WI
Prefix range
The prefix 608-440 includes numbers from 6084400000 to 6084409999.
This range is associated with the MADISON rate center and was originally assigned to TELEPORT COMMUNICATIONS AMERICA, LLC WI.
Numbers in this prefix
20 numbers