Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
HENRY COUNTY,
ILLINOIS
ZIP Code
Post Office
Date Established
Date Discontinued
61413
ALPHA
06/28/1871
61233
ANDOVER
05/15/1837
61234
ANNAWAN
61235
ATKINSON
61419
BISHOP HILL
06/05/1848
61238
CAMBRIDGE
61241
COLONA
05/19/1855
61434
GALVA
02/05/1855
61254
GENESEO
61258
HOOPPOLE
07/12/1880
12/29/2007
61443
KEWANEE
03/02/1855
61262
LYNN CENTER
61468
OPHIEM
06/13/2009
61273
ORION
61274
OSCO
61490
WOODHULL
06/17/1856
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