Hours Of Operations Northwest Natural Gas Company Oregon Portland Northwest Natural Gas Company Hours of Operation and Locations in Portland, OR 4.7 - 141 votes 1 Locations in Portland www.nwnatural.com Northwest Natural Gas Company Hours Category: Home & Garden Northwest Natural Gas Company - Portland, OR 97229 20605 Nw Cornell Rd View Store Details Explore PortlandView More Apparel CostcoMarshallsTJ MaxxRoss Dress for LessDd's DISCOUNTS Sports CostcoTargetSports AuthoritySheplersNew Balance Jewelry CostcoMarshallsBurlington Coat FactoryCatoDeb Shops Recommend For You NorthWestern Energy NSTAR Orlando Utilities Commission Otter Tail Power Company Peoples Gas Pepco Runnings Farm & Fleet Tucson Electric Power United Power Urgent Care of Connecticut