Wilton City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 203 | US | Connecticut - CT | Wilton | Eastern | Details |
| 207 | US | Maine - ME | Wilton | Eastern | Details |
| 475 | US | Connecticut - CT | Wilton | Eastern | Details |
| 563 | US | Iowa - IA | Wilton | Central | Details |
| 603 | US | New Hampshire - NH | Wilton | Eastern | Details |
| 608 | US | Wisconsin - WI | Wilton | Central | Details |
| 701 | US | North Dakota - ND | Wilton | Central / Mountain | Details |