On This Day in Telephone History April 18TH 1906

Earthquake and Fire Swept San Francisco Destroying 490 Blocks of the City Service to the City’s 50,000 Telephones Completely Disrupted. Only two Central Offices Escaped Serious Damage. within two Months 9,000 Telephones were back in Service.  Another 20,000 Restored By January 1st .

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