May 1931 - A single north New Jersey directory, Northern New Jersey Telephone Directory, is replaced by four county directories as a convenience to customers.

November 1931 - Although the U.S. is suffering from the Great Depression, the company announces a "no layoff policy." The policy is maintained throughout 1932 through reduced work schedules.

May 28, 1932 - Largest telephone project in New Jersey completed with the cutover of nine new dial central offices, serving 80,000 customers.

July-August 1936 - The first "experimental" coaxial cable system under construction across New Jersey, connecting New York and Philadelphia.

September 17-18, 1936 - Hurricane knocks out more than 6,000 telephone lines; all service is restored within 48 hours.

1937 - NJB celebrates 10th anniversary.

November 14, 1939 - Weather forecasts become available by telephone for northern NJ customers.

1942 - In response to U.S. War Production Board's restrictions on telephone service and equipment, NJB announces it will try to maintain quality service during World War II.

April 1942 - NJB President Chester I. Barnard is named president of the United Service Organization; he remained in that position until April 1945.

September 20, 1944 - The last two independent telephone companies, Eastern Telephone and Telegraph Company and the Camden and Atlantic Company, are purchased by NJB; this marks end of competing and duplicating service in same territory of New Jersey.

September 1945 - A plaque of Theodore N. Vail, the first president of AT&T and the Telephone Pioneers, is placed in NJB's company headquarters commemorating the 100th anniversary of his birth.

October 5, 1945 - NJB experiences its first work stoppage — a four-hour protest by Western Electric employees.

February 7, 1946 - NJB's 1 millionth telephone is installed in Union City.

Summer 1947 - Testing begins on new mobile radio-telephone system.

January 6, 1947 - NJB files its first request for rate increase with State Board of Public Utilities Commission.

April 7, 1947 - First nationwide strike in telephone history begins and lasts 39 days at NJB.

March 1948 - William A. Hughes succeeds Chester I. Barnard as NJB president.

1951 - Area codes debut for long-distance calls; New Jersey is designated area code 201.

November 10, 1951 - First U.S. coast-to-coast direct long-distance dialing with call between the mayors of Englewood, New Jersey, and Alameda, California.

October 1958 - Paul A. Gorman becomes NJB president.

April 1959 - E. Hornsby Wasson assumes NJB presidency.

1960 - NJB inaugurates all-number dialing in Riverton, a Camden suburb, replacing the two-letter/five-number system.

April 1960 - Princess telephone is introduced.

July 10, 1962 - Ground broken for the first electronic central office in Succasunna.

1963 - New Jersey is divided into two area codes: 201 in north, 609 in south.

December 1963 - NJB launches nation's first touch-tone service in the Chatham and Summit exchanges.

December 6, 1964 - NJB's last manual office in Jamesburg transforms to dial service.

May 1965 - NJB's first Electronic Switching System (ESS) central office starts operations in Succasunna.

July 1965 - Robert D. Lilley succeeds E. Hornsby Wasson as NJB president.

1969 - Introduction of electronic Traffic Service Position System (TSPS) in Morristown, replacing cord-type switchboard.