Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
PITTSBURG COUNTY,
OKLAHOMA
ZIP Code
Post Office
Date Established
Date Discontinued
74522
ALDERSON
03/05/1890
74524
ASHLAND
02/14/1986
74528
BLANCO
74529
BLOCKER
04/26/1905
04/17/2010
74425
CANADIAN
05/29/1873
74430
CROWDER
03/21/1902
74546
HAILEYVILLE
04/29/1901
74547
HARTSHORNE
74548
HAYWOOD
10/21/1995
74442
INDIANOLA
01/16/1891
74553
KIOWA
74554
KREBS
74560
PITTSBURG
04/02/1903
74561
QUINTON
03/28/1902
RUSSELLVILLE
09/05/1895
12/30/1933
74565
SAVANNA
05/05/1876
WEATHERS
05/14/1914
08/31/1944
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