Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
ESSEX COUNTY,
NEW JERSEY
ZIP Code
Post Office
Date Established
Date Discontinued
07003
BLOOMFIELD
07006
CALDWELL
07009
CEDAR GROVE
01/26/1874
07019
EAST ORANGE
02/15/1869
07021
ESSEX FELLS
07028
GLEN RIDGE
07039
LIVINGSTON
07040
MAPLEWOOD
11/01/1947
07041
MILLBURN
07042
MONTCLAIR
07102
NEWARK
07050
ORANGE
07068
ROSELAND
07078
SHORT HILLS
07079
SOUTH ORANGE
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