Elenco di regioni
- 97220 - Portland, Multnomah, Oregon
- 97221 - Portland, Multnomah, Oregon
- 97227 - Portland, Multnomah, Oregon
- 97228 - Portland, Multnomah, Oregon
- 97230 - Portland, Multnomah, Oregon
- 97231 - Portland, Multnomah, Oregon
- 97232 - Portland, Multnomah, Oregon
- 97233 - Portland, Multnomah, Oregon
- 97236 - Portland, Multnomah, Oregon
- 97238 - Portland, Multnomah, Oregon
- 97239 - Portland, Multnomah, Oregon
- 97240 - Portland, Multnomah, Oregon
- 97242 - Portland, Multnomah, Oregon
- 97258 - Portland, Multnomah, Oregon
- 97266 - Portland, Multnomah, Oregon
- 97280 - Portland, Multnomah, Oregon
- 97282 - Portland, Multnomah, Oregon
- 97283 - Portland, Multnomah, Oregon
- 97286 - Portland, Multnomah, Oregon
- 97290 - Portland, Multnomah, Oregon