Prefix overview
Phone numbers in prefix 447-283
This page covers the 447-283 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
447-283
RATE CENTER
SPRINGFLD
CARRIER
CALLWORKS CORPORATION
IL
Prefix range
The prefix 447-283 includes numbers from 4472830000 to 4472839999.
This range is associated with the SPRINGFLD rate center and was originally assigned to CALLWORKS CORPORATION.
Numbers in this prefix
20 numbers