Douglas City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 204 | Canada | Manitoba | Douglas | Central | Details |
| 307 | US | Wyoming - WY | Douglas | Mountain | Details |
| 402 | US | Nebraska - NE | Douglas | Central | Details |
| 508 | US | Massachusetts - MA | Douglas | Eastern | Details |
| 520 | US | Arizona - AZ | Douglas | Mountain | Details |
| 580 | US | Oklahoma - OK | Douglas | Central | Details |
| 774 | US | Massachusetts - MA | Douglas | Eastern | Details |
| 907 | US | Alaska - AK | Douglas | (UTC-9) | Details |
| 912 | US | Georgia - GA | Douglas | Eastern | Details |