ZIP codes in Middlesex County
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- 07001 AvenelMiddlesex County
- 07008 CarteretMiddlesex County
- 07064 Port ReadingMiddlesex County
- 07067 ColoniaMiddlesex County
- 07077 SewarenMiddlesex County
- 07080 South PlainfieldMiddlesex County
- 07095 WoodbridgeMiddlesex County
- 08536 PlainsboroMiddlesex County
- 08810 DaytonMiddlesex County
- 08812 DunellenMiddlesex County
- 08816 East BrunswickMiddlesex County
- 08817 EdisonMiddlesex County
- 08820 EdisonMiddlesex County
- 08824 Kendall ParkMiddlesex County
- 08828 HelmettaMiddlesex County
- 08830 IselinMiddlesex County
- 08831 JamesburgMiddlesex County
- 08832 KeasbeyMiddlesex County
- 08837 EdisonMiddlesex County
- 08840 MetuchenMiddlesex County
- 08846 MiddlesexMiddlesex County
- 08850 MilltownMiddlesex County
- 08852 Monmouth JunctionMiddlesex County
- 08854 PiscatawayMiddlesex County
- 08857 EdisonMiddlesex County
- 08859 SayrevilleMiddlesex County
- 08861 Perth AmboyMiddlesex County
- 08863 FordsMiddlesex County
- 08872 SayrevilleMiddlesex County
- 08879 South AmboyMiddlesex County
- 08882 South RiverMiddlesex County
- 08884 SpotswoodMiddlesex County
- 08901 New BrunswickMiddlesex County
- 08902 EdisonMiddlesex County
- 08904 Highland ParkMiddlesex County