Caldwell, NJ Post Offices

Caldwell, New Jersey has a population of 7,943. According to the 2021 census, the city's 2 post offices serve 3,288 households with a median income of 3,288. The city is located in Essex County and has a land area of 3,051,278 and a water area of 3,295.

Post Office
Address
Phone
Hours
Caldwell, NJ Post Office 155 Clinton Rd, Caldwell, New Jersey, NJ, 07006-9998
973-227-2699
Today 08:30:00 - 17:00:00
Caldwell, NJ Post Office 10 Park Ave, Caldwell, New Jersey, NJ, 07006-9991
973-227-2699
Today 08:30:00 - 16:30:00

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