Delta City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 256 | US | Alabama - AL | Delta | Central | Details |
| 419 | US | Ohio - OH | Delta | Eastern | Details |
| 435 | US | Utah - UT | Delta | Mountain | Details |
| 567 | US | Ohio - OH | Delta | Eastern | Details |
| 641 | US | Iowa - IA | Delta | Central | Details |
| 717 | US | Pennsylvania - PA | Delta | Eastern | Details |
| 970 | US | Colorado - CO | Delta | Mountain | Details |