Caldwell, NJ Area Codes
Caldwell is served by area codes 201, 862 and 973. It is in New Jersey, Essex County. About 26,654 people live in its 2 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 201, 862, 973 |
| State / province | New Jersey |
| County | Essex County |
| Population | 26,654 |
| ZIP codes | 2 |
| Time zone | Eastern |
| Coordinates | 40.8455, -74.2797 |
What area code is Caldwell in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 201 | New Jersey | 1,841,287 | — |
| 862 | New Jersey | 1,905,778 | Yes |
| 973 | New Jersey | 1,924,577 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Verona 862, 973Cedar Grove 862, 973Montclair 862, 973West Orange 862, 973Little Falls 862, 973East Hanover 862, 973Livingston 862, 973Orange 862, 973
How to dial
Dial 201 + 7 digits for a number in Caldwell, or +1 201 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.