Warwick City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 229 | US | Georgia - GA | Warwick | Eastern | Details |
| 401 | US | Rhode Island – RI | Warwick | Eastern | Details |
| 410 | US | Maryland - MD | Warwick | Eastern | Details |
| 701 | US | North Dakota - ND | Warwick | Central / Mountain | Details |
| 845 | US | New York - NY | Warwick | Eastern | Details |