Caldwell, OH Area Codes
Caldwell is served by area code 740. It is in Ohio, Noble County. About 9,133 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 740 |
| State / province | Ohio |
| County | Noble County |
| Population | 9,133 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.7209, -81.4987 |
What area code is Caldwell in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 740 | Ohio | 1,461,405 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Marietta 220, 740Cambridge 740Belpre 220, 740Zanesville 220, 740Saint Clairsville 740Athens 220, 740Coshocton 220, 740Heath 220, 740
How to dial
Dial 740 + 7 digits for a number in Caldwell, or +1 740 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.