USA Area Codes
Area Code Caldwell, Area Code 973
The city of Caldwell (Essex county) is located in the state of New Jersey. The Caldwell area code is 973. For a local call in Caldwell you don't have to dial the area code.
If you want to call from Trenton to Caldwell you have to dial +1 973 and the telephone number of the person you want to reach.
List of Cities located close to Caldwell:
| Area | Area Code |
|---|---|
| Cedar Grove | 973 |
| East Orange | 973 |
| Essex Fells | 973 |
| Fairfield | 973 |
| Glen Ridge | 973 |
| Montclair | 973 |
| Newark | 973 |
| Orange | 973 |
| Roseland | 973 |
| Verona | 973 |
| Watchung | 908 |
| West Orange | 973 |
Last change: 23.04.2007
