Check the separate page for information about the 19-way split in the Caribbean area. There is also a Caribbean map . Some of the area codes shown above are not yet in use. For information on the split dates of new area codes, see the table on the separate page. Detailed maps of some of the metropolitan areas may be added in the future.
All boundaries shown are approximate.
New Mexico will have its first area code split in 2002, with the urban core of Albuquerque and Santa Fe changing to 575 while the remainder of the state keeps 505. Arkansas' area code 501 will split again, with Little Rock keeping 501 while Ft. Smith and Fayetteville change to the new 479 area code. Western New York's 716 area code will split, with Buffalo keeping 716 and Rochester changing to 585. The split will follow exact county boundaries, except that Indian reservations on the split boundary will remain entirely in 716.