<SEC-DOCUMENT>0001654954-20-003508-index.html : 20200330 <SEC-HEADER>0001654954-20-003508.hdr.sgml : 20200330 <ACCEPTANCE-DATETIME>20200330165206 ACCESSION NUMBER: 0001654954-20-003508 CONFORMED SUBMISSION TYPE: NT 10-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20191231 FILED AS OF DATE: 20200330 DATE AS OF CHANGE: 20200330 EFFECTIVENESS DATE: 20200330 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Zoom Telephonics, Inc. CENTRAL INDEX KEY: 0001467761 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE & TELEGRAPH APPARATUS [3661] IRS NUMBER: 042621506 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NT 10-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-37649 FILM NUMBER: 20757839 BUSINESS ADDRESS: STREET 1: 225 FRANKLIN STREET, 26TH FLOOR CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 617-423-1072 MAIL ADDRESS: STREET 1: 225 FRANKLIN STREET, 26TH FLOOR CITY: BOSTON STATE: MA ZIP: 02110 </SEC-HEADER> <DOCUMENT> <TYPE>NT 10-K <SEQUENCE>1 <FILENAME>zmtp_nt10k.htm <DESCRIPTION>NT 10-K <TEXT> Document 1 - file: zmtp_nt10k.htm
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