Post Offices opened in 1820

County seats are displayed in UPPERCASE characters.
Post OfficeCountyClosed *Zip
BarrensSte. Genevieve1821
BloomfieldRay1821
BlufftonRay1830E
ChesterfieldSaint Louis1824 »63017
Fort OsageCooper1826
Grand RiverRay1821
Grayman’sBoone1821
HannibalMarion63401
HughesCape Girardeau1821
JamestownSaint Louis1826
JeffersonSaline1825
LouisianaPike63353
MissouritonCarroll1821
MOUNT VERNONLawrence1823E65712
NashvilleBoone1822E »
NEW LONDONRalls63459
New PortFranklin1857
PalmyraRalls1830
Point PleasantNew Madrid1827 »
RichlandNew Madrid1827
RichmondHoward1824
SmithtonBoone1821
Stout’s FortLincoln1824
Tucker’sPerry1821

There are 24 post offices on this page. Closing dates with a  » next to them were re-opened at some future time. Refer to the county lists for complete opening and closing information.

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