Danh sách vùng
- 97256 - Pacificorp, Portland, Multnomah, Oregon
- 97201 - Portland, Multnomah, Oregon
- 97202 - Portland, Multnomah, Oregon
- 97203 - Portland, Multnomah, Oregon
- 97204 - Portland, Multnomah, Oregon
- 97205 - Portland, Multnomah, Oregon
- 97206 - Portland, Multnomah, Oregon
- 97207 - Portland, Multnomah, Oregon
- 97208 - Portland, Multnomah, Oregon
- 97209 - Portland, Multnomah, Oregon
- 97210 - Portland, Multnomah, Oregon
- 97211 - Portland, Multnomah, Oregon
- 97212 - Portland, Multnomah, Oregon
- 97213 - Portland, Multnomah, Oregon
- 97214 - Portland, Multnomah, Oregon
- 97215 - Portland, Multnomah, Oregon
- 97216 - Portland, Multnomah, Oregon
- 97217 - Portland, Multnomah, Oregon
- 97218 - Portland, Multnomah, Oregon
- 97219 - Portland, Multnomah, Oregon