Hours Of Operations Northwest Natural Gas Company Washington Northwest Natural Gas Company Hours of Operation and Locations in Washington 4.7 - 141 votes 1 Locations in Washington www.nwnatural.com Northwest Natural Gas Company Hours Category: Home & Garden Northwest Natural Gas Company - Vancouver, WA 98660 1400 Columbia St(360) 571-5465 View Store Details Recommend For You Peoples Gas United Power Bellagio Salon Blind Barber Ferrellgas Toys R Us A Finishing Touch A Head of Time A Healing Touch A Helping Hand