Chatham City Area Code List
| Area Codes | Country | State | City | Time Zone | Operating |
|---|---|---|---|---|---|
| 217 | US | Illinois - IL | Chatham | Central | Details |
| 226 | Canada | Ontario | Chatham | Eastern | Details |
| 318 | US | Louisiana - LA | Chatham | Central | Details |
| 434 | US | Virginia - VA | Chatham | Eastern | Details |
| 508 | US | Massachusetts - MA | Chatham | Eastern | Details |
| 518 | US | New York - NY | Chatham | Eastern | Details |
| 519 | Canada | Ontario | Chatham | Eastern | Details |
| 603 | US | New Hampshire - NH | Chatham | Eastern | Details |
| 774 | US | Massachusetts - MA | Chatham | Eastern | Details |
| 862 | US | New Jersey - NJ | Chatham | Eastern | Details |
| 906 | US | Michigan - MI | Chatham | Eastern / Central | Details |
| 973 | US | New Jersey - NJ | Chatham | Eastern | Details |