Analysis of information sources in references of the Wikipedia article "West Haven-Sylvan, Oregon" in English language version.
8825 SW Barnes Road Portland, Oregon 97225, USA- Despite the "Portland, Oregon" address, it is not in the City of Portland. The City of Houston stated: "The U.S. Postal Service establishes ZIP codes and mailing addresses in order to maximize the efficiency of their system, not to recognize jurisdictional boundaries."
8825 SW Barnes Road Portland, Oregon 97225, USA- Despite the "Portland, Oregon" address, it is not in the City of Portland. The City of Houston stated: "The U.S. Postal Service establishes ZIP codes and mailing addresses in order to maximize the efficiency of their system, not to recognize jurisdictional boundaries."