<SEC-DOCUMENT>0001193125-18-299352-index.html : 20181015 <SEC-HEADER>0001193125-18-299352.hdr.sgml : 20181015 <ACCEPTANCE-DATETIME>20181015172657 ACCESSION NUMBER: 0001193125-18-299352 CONFORMED SUBMISSION TYPE: 15-12B PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20181015 DATE AS OF CHANGE: 20181015 EFFECTIVENESS DATE: 20181015 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NORTHWEST NATURAL GAS CO CENTRAL INDEX KEY: 0000073020 STANDARD INDUSTRIAL CLASSIFICATION: NATURAL GAS DISTRIBUTION [4924] IRS NUMBER: 930256722 STATE OF INCORPORATION: OR FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 15-12B SEC ACT: 1934 Act SEC FILE NUMBER: 001-15973 FILM NUMBER: 181123118 BUSINESS ADDRESS: STREET 1: ONE PACIFIC SQUARE STREET 2: 220 NW SECOND AVE CITY: PORTLAND STATE: OR ZIP: 97209 BUSINESS PHONE: 5032264211 MAIL ADDRESS: STREET 1: 220 NW SECOND AVENUE CITY: PORTLAND STATE: OR ZIP: 97209 </SEC-HEADER> <DOCUMENT> <TYPE>15-12B <SEQUENCE>1 <FILENAME>d622709d1512b.htm <DESCRIPTION>FORM 15-12B <TEXT> Document 1 - file: d622709d1512b.htm
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