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ZIP Codes in Middlesex County with Associated Cities & Towns

Avenel   07001
Carteret   07008
Colonia   07067
Cranbury   08512
Dayton   08810
Dunellen   08812
E Brunswick   08816
East Brunswick   08816
East Windsor   08512
Edison   08817
Edison   08818
Edison   08820
Edison   08837
Edison   08899
Fords   08863
Green Brook   08812
Helmetta   08828
Highland Park   08904
Hopelawn   08861
Iselin   08830
Jamesburg   08831
 Keasbey   08832
Kendall Park   08824
Laurence Harbor   08879
Laurence Hbr   08879
Metuchen   08840
Middlesex   08846
Milltown   08850
Monmouth Jct   08852
Monmouth Junction   08852
Monroe   08831
Monroe Township   08831
Monroe Twp   08831
N Brunswick   08902
New Brunswick   08901
New Brunswick   08902
New Brunswick   08903
New Brunswick   08904
New Brunswick   08905
New Brunswick   08906
New Brunswick   08922
New Brunswick   08933
 New Brunswick   08988
New Brunswick   08989
North Brunswick   08902
Old Bridge   08857
Parlin   08859
Perth Amboy   08861
Perth Amboy   08862
Perth Amboy   08863
Piscataway   08854
Piscataway   08855
Plainsboro   08536
Port Reading   07064
S Plainfield   07080
Sayreville   08871
Sayreville   08872
Sewaren   07077
South Amboy   08879
South Plainfield   07080
South River   08882
Spotswood   08884
Woodbridge   07095

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.