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http://www.sfgenealogy.com/sf/hgtel.htm QuoteThe names below comprised the first telephone directory for San Francisco, and was the second directory issued in the United States, the first having been published 21 February 1878 in New Haven, Connecticut.
According to a San Francisco Chronicle article in 1932, 27 of these subscribers were still listed among the 245,000 in the latest directory, 12 under the same name. Two of those 12 included: Dr. J. P. Trumpour, dentist, 1503 Divisadero street, and A. F. Coffin, broker, 335 Bush street, former president of the San Francisco Mining Exchange.
AMERICAN SPEAKING TELEPHONE COMPANY
Offices
222 Sansome Street 211 Kearny Street 833 Sutter Street
965 Mission Street Twentieth and Mission Hayes and Laguna
California and Fillmore Powell and Union Butchertown
Telephones Rented and Lines Constructed
LIST OF SUBSCRIBERS JUNE 1, 1878
Names not preceded by stars are connected with the CENTRAL OFFICE SYSTEM and can be switched into private connection with each other.