| Area Code | State, etc. | Main City | Country | Overlay Complex | Time Zone |
|---|---|---|---|---|---|
| 201 | New Jersey | Jersey City | USA | 201/551 | E |
| 202 | D.C. | Washington | USA | 202/771 | E |
| 203 | Connecticut | Bridgeport | USA | 203/475 | E |
| 204 | Manitoba | Winnipeg | Canada | 204/431/584 | C |
| 205 | Alabama | Birmingham | USA | 205/659 | C |
| 206 | Washington | Seattle | USA | P | |
| 207 | Maine | Portland | USA | E | |
| 208 | Idaho | Meridian | USA | 208/986 | M,P |
| 209 | California | Stockton | USA | 209/350 | P |
| 210 | Texas | San Antonio | USA | 210/726 | C |
| 212 | New York | NYC Manhattan | USA | 212/646/917/332 | E |
| 213 | California | Los Angeles | USA | 323/213 | P |
| 214 | Texas | Dallas | USA | 214/972/469/945 | C |
| 215 | Pennsylvania | Philadelphia | USA | 215/267/445 | E |
| 216 | Ohio | Cleveland | USA | E | |
| 217 | Illinois | Springfield | USA | 217/447 | C |
| 218 | Minnesota | Duluth | USA | C | |
| 219 | Indiana | Hammond | USA | E,C | |
| 220 | Ohio | Newark | USA | 740/220 | E |
| 223 | Pennsylvania | Lancaster | USA | 717/223 | E |
| 224 | Illinois | Elgin | USA | 847/224 | C |
| 225 | Louisiana | Baton Rouge | USA | C | |
| 226 | Ontario | London | Canada | 519/226/548/382 | E |
| 227 | Maryland | Germantown | USA | 301/240/227 | E |
| 228 | Mississippi | Gulfport | USA | C | |
| 229 | Georgia | Albany | USA | E | |
| 231 | Michigan | Muskegon | USA | E | |
| 234 | Ohio | Akron | USA | 330/234 | E |
| 235 | Missouri | Columbia | USA | 573/235 | C |
| 236 | British Columbia | Kelowna | Canada | 250/778/236/672, 604/778/236/672 | P |
| 239 | Florida | Cape Coral | USA | E | |
| 240 | Maryland | Germantown | USA | 301/240/227 | E |
| 242 | Bahamas | Nassau | Bahamas | E | |
| 246 | Barbados | Bridgetown | Barbados | AST | |
| 248 | Michigan | Troy | USA | 248/947 | E |
| 249 | Ontario | Sudbury | Canada | 705/249/683 | E |
| 250 | British Columbia | Kelowna | Canada | 250/778/236/672 | P |
| 251 | Alabama | Mobile | USA | C | |
| 252 | North Carolina | Greenville | USA | E | |
| 253 | Washington | Tacoma | USA | P | |
| 254 | Texas | Killeen | USA | C | |
| 256 | Alabama | Huntsville | USA | 256/938 | C |
| 260 | Indiana | Fort Wayne | USA | E | |
| 262 | Wisconsin | Kenosha | USA | C | |
| 263 | Quebec | Montreal | Canada | 514/438/263 | E |
| 264 | Anguilla | North Side | Anguilla | AST | |
| 267 | Pennsylvania | Philadelphia | USA | 215/267/445 | E |
| 268 | Antigua and Barbuda | Saint John's | Antigua and Barbuda | AST | |
| 269 | Michigan | Kalamazoo | USA | E | |
| 270 | Kentucky | Bowling Green | USA | 270/364 | E,C |
| 272 | Pennsylvania | Scranton | USA | 570/272 | E |
| 274 | Wisconsin | Green Bay | USA | 920/274 | C |
| 276 | Virginia | Bristol | USA | E | |
| 279 | California | Sacramento | USA | 916/279 | P |
| 281 | Texas | Houston | USA | 713/281/832/346 | C |
| 283 | Ohio | Cincinnati | USA | 513/283 | E |
| 284 | British Virgin Islands | Tortola | British Virgin Islands | AST | |
| 289 | Ontario | Mississauga | Canada | 905/289/365/742 | P |