Zip Code ReportMiddlesex County ZIP codes
Every ZIP code in Middlesex County, New Jersey, with the city it serves. Open any one for a free neighborhood report.
42 ZIP codes · Middlesex County, NJ · FIPS 34023
ZIP codes
42 in this county07001Avenel07008Carteret07064Port Reading07067Colonia07077Sewaren07080South Plainfield07095Woodbridge08536Plainsboro08810Dayton08812Dunellen08816East Brunswick08817Edison08818EdisonPO box08820Edison08824Kendall Park08828Helmetta08830Iselin08831Monroe Township08832Keasbey08837Edison08840Metuchen08846Middlesex08850Milltown08852Monmouth Junction08854Piscataway08855PiscatawayPO box08857Old Bridge08859Parlin08861Perth Amboy08862Perth AmboyPO box08863Fords08872Sayreville08879South Amboy08882South River08884Spotswood08899Edisonunique08901New Brunswick08902North Brunswick08903New BrunswickPO box08904Highland Park08906New BrunswickPO box08933New Brunswickunique
7 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.