United States
| City/Region | City/Area code | Followed by |
| Alabama | (1+)334 | + 7 digit subscriber nr |
| Alaska | (1+)907 | + 7 digit subscriber nr |
| Arizona | (1+)928 | + 7 digit subscriber nr |
| Arkansas | (1+)870 | + 7 digit subscriber nr |
| California | (1+)951 | + 7 digit subscriber nr |
| Colorado | (1+)970 | + 7 digit subscriber nr |
| Connecticut | (1+)860 | + 7 digit subscriber nr |
| Delaware | (1+)302 | + 7 digit subscriber nr |
| District Of Columbia | (1+)202 | + 7 digit subscriber nr |
| Florida | (1+)954 | + 7 digit subscriber nr |
| Georgia | (1+)912 | + 7 digit subscriber nr |
| Hawaii | (1+)808 | + 7 digit subscriber nr |
| Idaho | (1+)208 | + 7 digit subscriber nr |
| Illinois | (1+)847 | + 7 digit subscriber nr |
| Indiana | (1+)812 | + 7 digit subscriber nr |
| Iowa | (1+)712 | + 7 digit subscriber nr |
| Kansas | (1+)913 | + 7 digit subscriber nr |
| Kentucky | (1+)859 | + 7 digit subscriber nr |
| Louisiana | (1+)985 | + 7 digit subscriber nr |
| Maine | (1+)207 | + 7 digit subscriber nr |
| Maryland | (1+)443 | + 7 digit subscriber nr |
| Massachusetts | (1+)978 | + 7 digit subscriber nr |
| Michigan | (1+)989 | + 7 digit subscriber nr |
| Minnesota | (1+)952 | + 7 digit subscriber nr |
| Mississippi | (1+)662 | + 7 digit subscriber nr |
| Missouri | (1+)816 | + 7 digit subscriber nr |
| Montana | (1+)406 | + 7 digit subscriber nr |
| Nebraska | (1+)402 | + 7 digit subscriber nr |
| Nevada | (1+)775 | + 7 digit subscriber nr |
| New Hampshire | (1+)603 | + 7 digit subscriber nr |
| New Jersey | (1+)973 | + 7 digit subscriber nr |
| New Mexico | (1+)505 | + 7 digit subscriber nr |
| New York | (1+)917 | + 7 digit subscriber nr |
| North Carolina | (1+)980 | + 7 digit subscriber nr |
| North Dakota | (1+)701 | + 7 digit subscriber nr |
| Ohio | (1+)937 | + 7 digit subscriber nr |
| Oklahoma | (1+)918 | + 7 digit subscriber nr |
| Oregon | (1+)971 | + 7 digit subscriber nr |
| Pennsylvania | (1+)878 | + 7 digit subscriber nr |
| Rhode Island | (1+)401 | + 7 digit subscriber nr |
| South Carolina | (1+)864 | + 7 digit subscriber nr |
| South Dakota | (1+)605 | + 7 digit subscriber nr |
| Tennessee | (1+)931 | + 7 digit subscriber nr |
| Texas | (1+)979 | + 7 digit subscriber nr |
| Utah | (1+)801 | + 7 digit subscriber nr |
| Vermont | (1+)802 | + 7 digit subscriber nr |
| Virginia | (1+)804 | + 7 digit subscriber nr |
| Washington | (1+)509 | + 7 digit subscriber nr |
| West Virginia | (1+)304 | + 7 digit subscriber nr |
| Wisconsin | (1+)920 | + 7 digit subscriber nr |
| Wyoming | (1+)307 | + 7 digit subscriber nr |
