February 21, 1878 The first telephone book is issued in New Haven, Connecticut by the New Haven Telephone Company. It lists twenty-one names. You probably have at least twice as many names in your cell phone today! First Telephone Book Published is original content of This Day in Tech History. This Day in Tech History…

February 21, 1878 The first telephone book is issued in New Haven, Connecticut by the New Haven Telephone Company. It lists twenty-one names. You probably have at least twice as many names in your cell phone today! The post First Telephone Book Published appeared first on This Day in Tech History. This Day in Tech…

February 21, 1878 The first telephone book is issued in New Haven, Connecticut by the New Haven Telephone Company. It lists twenty-one names. You probably have at least twice as many names in your cell phone today! The post First Telephone Book Published appeared first on This Day in Tech History. This Day in Tech…

February 21, 1878 The first telephone book is issued in New Haven, Connecticut by the New Haven Telephone Company. It lists twenty-one names. You probably have at least twice as many names in your cell phone today! Previous post: First Burglar Alarm Installed This Day in Tech History Tech History provided by This Day in…

February 21, 1878 The first telephone book is issued in New Haven, Connecticut by the New Haven Telephone Company. It lists twenty-one names. You probably have at least twice as many names in your cell phone today! Previous post: First Burglar Alarm Installed This Day in Tech History Tech History provided by This Day in…