London, OH Area Codes
London is served by area codes 220 and 740. It is in Ohio, Madison County. About 24,237 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 220, 740 |
| State / province | Ohio |
| County | Madison County |
| Population | 24,237 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.8801, -83.4285 |
What area code is London in?
ZIP codes in the code footprint
Nearby towns and their area codes
Galloway 380, 614Hilliard 380, 614Grove City 380, 614Plain City 380, 614Orient 380, 614Springfield 326, 937Dublin 380, 614Washington Court House 740
How to dial
Dial 220 + 7 digits for a number in London, or +1 220 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.