Series I: Constitution, Bylaws and Minutes, 1963-1986, contains a constitution and Executive Board minutes dating from the Municipal Management Society period (pre-1965), as well as minutes of the Board, of General Membership Meetings, committee meetings and meetings of the Security Benefits Fund Trustees, 1965-1986.

Series II: Correspondence, 1961-1986, includes exchanges with the CWA international, CWA District 1, Local 1180 members, officers and staff of other unions and organizations, and representatives of management.

Series III: Bargaining Files, 1965-1985, contains reports, drafts of union and management proposals, background reference material, documents reflecting bargaining activity of the Municipal Labor Committee and various New York City and state agencies and departments, with a separate section of files devoted to bargaining within the New York State Judicial Conference and the NYC courts.

Series IV: General Files, 1956-1984, contains correspondence and printed material relating to city and state agencies, including the Judicial Conference, the NYC Human Resources Administration, the NYC Department of Social Services, the Board of Education, the Health and Hospitals Corporation, the Port Authority and others, in which Local 1180 members are or have been employed. There are also files on job classifications, membership applications, benefits, organizing, civil service examinations, the Local's dealings with the NYC Office of Collective Bargaining, and background materials (including contracts) by and about other unions representing city employees.

Series V: Grievances and Arbitration Cases, 1968-1980, contains selected arbitrations awards and case files for 1974 and 1976, and grievance files, arranged alphabetically by name (with several additional files of miscellaneous grievances arranged chronologically).

Series VI: Photographs contains five photographs including four color photographs from CWA's Annual Convention in June 1977. There is also one black and white photograph of Arthur Cheliotes and an unidentified man, circa 1980.

Local 1180 is an affiliate of the Communications Workers of America (CWA) and represents public sector and private nonprofit sectors. Public sector employees include administrative and supervisory workers at New York City Mayoral agencies, while others work at Health and Hospitals, Board of Education, Housing Authority, Transit Authority, School Construction Authority, and New York State's Unified Court System. Private sector unions include ALIGN, Amnesty International USA, Books & Rattles/Green Educational Services, Caring Across Generations, Edible Schoolyard NYC, Human Rights First, Human Rights Watch, Javits Center, the National Audubon Society, Nation Institute/Type Media Center, National Domestic Workers Alliance, Open Society Institute, Physicians for Human Rights, Story Corps, Sunrise Movement, The Century Foundation, The Trevor Project, and Tutor Associates. Historically, the union represented the Planned Parenthood of New York City, the ASPCA, and Democracy Now! Productions. The earliest crawls of the website date back to 2007, with news and other materials on the website dating back to 1999. The earliest interation of the website featured news from negotiations and organzing, their political action campaigns, healthcare issues, housing assistance, information on the retiree division, and training and and education services. In 2010, the website redesigned included information on health and retiree benefits, training programs, news, negotiations, their newsletter Communique, and other multimedia. In 2019 the website reeisgned to its current iteration (as of 2023), in addition to previously listed materials on the website, it also featured news and contracts related to the private sector shops that the union represents; special campaigns highlighting union pride; events and meetings; contract negotiations; information on job titles they represent; and salary charts.