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Post Offices by County
COSTILLA COUNTY,
COLORADO
ZIP Code
Post Office
Date Established
Date Discontinued
81123
BLANCA
81126
CHAMA
05/03/1907
81133
FORT GARLAND
81138
JAROSO
81142
MESITA
81150
SAN ACACIO
04/18/1992
81152
SAN LUIS
07/25/1862
81153
SAN PABLO
01/07/1893
07/17/1993
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