Madison City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 203 | US | Connecticut - CT | Madison | Eastern | Details |
| 207 | US | Maine - ME | Madison | Eastern | Details |
| 256 | US | Alabama - AL | Madison | Central | Details |
| 304 | US | West Virginia - VA | Madison | Eastern | Details |
| 315 | US | New York - NY | Madison | Eastern | Details |
| 320 | US | Minnesota - MN | Madison | Central | Details |
| 336 | US | North Carolina - NC | Madison | Eastern | Details |
| 402 | US | Nebraska - NE | Madison | Central | Details |
| 440 | US | Ohio - OH | Madison | Eastern | Details |
| 540 | US | Virginia - VA | Madison | Eastern | Details |
| 601 | US | Mississippi - MS | Madison | Central | Details |
| 603 | US | New Hampshire - NH | Madison | Eastern | Details |
| 605 | US | South Dakota - SD | Madison | Central / Mountain | Details |
| 608 | US | Wisconsin - WI | Madison | Central | Details |
| 618 | US | Illinois - IL | Madison | Central | Details |
| 620 | US | Kansas - KS | Madison | Central / Mountain | Details |
| 660 | US | Missouri - MO | Madison | Central | Details |
| 706 | US | Georgia - GA | Madison | Eastern | Details |
| 769 | US | Mississippi - MS | Madison | Central | Details |
| 812 | US | Indiana - IN | Madison | Eastern / Central | Details |
| 850 | US | Florida - FL | Madison | Eastern / Central | Details |
| 862 | US | New Jersey - NJ | Madison | Eastern | Details |
| 973 | US | New Jersey - NJ | Madison | Eastern | Details |