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Post Offices by County

BLANCO COUNTY, TEXAS

ZIP Code Post Office Date Established Date Discontinued
78606 BLANCO 09/26/1857
BLOWOUT 06/10/1875 05/15/1918
BOARD HOUSE 11/12/1918 06/30/1936
78635 HYE
78636 JOHNSON CITY
PAYTON 12/20/1898 06/15/1909
78663 ROUND MOUNTAIN
78665 SANDY 09/28/2002
TWIN SISTERS 12/24/1856 12/31/1948

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