Prefix overview
Phone numbers in prefix 971-489
This page covers the 971-489 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
971-489
RATE CENTER
PORTLAND
CARRIER
CALLWORKS CORPORATION
OR
Prefix range
The prefix 971-489 includes numbers from 9714890000 to 9714899999.
This range is associated with the PORTLAND rate center and was originally assigned to CALLWORKS CORPORATION.
Numbers in this prefix
20 numbers