United States country & area codes
| Area | Code | Digits |
| Kentucky | (1+)606 | + 7D SN |
| Kentucky | (1+)859 | + 7D SN |
| Louisiana | (1+)225 | + 7D SN |
| Louisiana | (1+)318 | + 7D SN |
| Louisiana | (1+)337 | + 7D SN |
| Louisiana | (1+)504 | + 7D SN |
| Louisiana | (1+)985 | + 7D SN |
| Maine | (1+)207 | + 7D SN |
| Maryland | (1+)240 | + 7D SN |
| Maryland | (1+)301 | + 7D SN |
| Maryland | (1+)410 | + 7D SN |
| Maryland | (1+)443 | + 7D SN |
| Massachusetts | (1+)339 | + 7D SN |
| Massachusetts | (1+)351 | + 7D SN |
| Massachusetts | (1+)413 | + 7D SN |
| Massachusetts | (1+)508 | + 7D SN |
| Massachusetts | (1+)617 | + 7D SN |
| Massachusetts | (1+)774 | + 7D SN |
| Massachusetts | (1+)781 | + 7D SN |
| Massachusetts | (1+)857 | + 7D SN |
| Massachusetts | (1+)978 | + 7D SN |
| Michigan | (1+)231 | + 7D SN |
| Michigan | (1+)248 | + 7D SN |
| Michigan | (1+)269 | + 7D SN |
| Michigan | (1+)313 | + 7D SN |
| Michigan | (1+)517 | + 7D SN |
| Michigan | (1+)586 | + 7D SN |
| Michigan | (1+)616 | + 7D SN |
| Michigan | (1+)734 | + 7D SN |
| Michigan | (1+)810 | + 7D SN |
| Michigan | (1+)906 | + 7D SN |
| Michigan | (1+)947 | + 7D SN |
| Michigan | (1+)989 | + 7D SN |
| Minnesota | (1+)218 | + 7D SN |
| Minnesota | (1+)320 | + 7D SN |
| Minnesota | (1+)507 | + 7D SN |
| Minnesota | (1+)612 | + 7D SN |
| Minnesota | (1+)651 | + 7D SN |
| Minnesota | (1+)763 | + 7D SN |
| Minnesota | (1+)952 | + 7D SN |
| Mississippi | (1+)228 | + 7D SN |
| Mississippi | (1+)601 | + 7D SN |
| Mississippi | (1+)662 | + 7D SN |
| Missouri | (1+)314 | + 7D SN |
| Missouri | (1+)417 | + 7D SN |
| Missouri | (1+)573 | + 7D SN |
| Missouri | (1+)636 | + 7D SN |
| Missouri | (1+)660 | + 7D SN |
| Missouri | (1+)816 | + 7D SN |
| Montana | (1+)406 | + 7D SN |
| Nebraska | (1+)308 | + 7D SN |
| Nebraska | (1+)402 | + 7D SN |
| Nevada | (1+)702 | + 7D SN |
| Nevada | (1+)775 | + 7D SN |
| New Hampshire | (1+)603 | + 7D SN |
| New Jersey | (1+)201 | + 7D SN |
| New Jersey | (1+)551 | + 7D SN |
| New Jersey | (1+)609 | + 7D SN |
| New Jersey | (1+)732 | + 7D SN |
| New Jersey | (1+)848 | + 7D SN |
| New Jersey | (1+)856 | + 7D SN |
| New Jersey | (1+)862 | + 7D SN |
| New Jersey | (1+)908 | + 7D SN |
| New Jersey | (1+)973 | + 7D SN |
| New Mexico | (1+)505 | + 7D SN |
| New York | (1+)212 | + 7D SN |
| New York | (1+)315 | + 7D SN |
| New York | (1+)347 | + 7D SN |
| New York | (1+)516 | + 7D SN |
| New York | (1+)518 | + 7D SN |
| New York | (1+)585 | + 7D SN |
| New York | (1+)607 | + 7D SN |
| New York | (1+)631 | + 7D SN |
| New York | (1+)646 | + 7D SN |
| New York | (1+)716 | + 7D SN |
| New York | (1+)718 | + 7D SN |
| New York | (1+)845 | + 7D SN |
| New York | (1+)914 | + 7D SN |
| New York | (1+)917 | + 7D SN |
| North Carolina | (1+)252 | + 7D SN |
| North Carolina | (1+)336 | + 7D SN |
| North Carolina | (1+)704 | + 7D SN |
| North Carolina | (1+)828 | + 7D SN |
| North Carolina | (1+)910 | + 7D SN |
| North Carolina | (1+)919 | + 7D SN |
| North Carolina | (1+)980 | + 7D SN |
| North Dakota | (1+)701 | + 7D SN |
| Ohio | (1+)216 | + 7D SN |
| Ohio | (1+)234 | + 7D SN |
| Ohio | (1+)330 | + 7D SN |
| Ohio | (1+)419 | + 7D SN |
| Ohio | (1+)440 | + 7D SN |
| Ohio | (1+)513 | + 7D SN |
| Ohio | (1+)567 | + 7D SN |
| Ohio | (1+)614 | + 7D SN |
| Ohio | (1+)740 | + 7D SN |
| Ohio | (1+)937 | + 7D SN |
| Oklahoma | (1+)405 | + 7D SN |
| Oklahoma | (1+)580 | + 7D SN |
| Oklahoma | (1+)918 | + 7D SN |