Category:Area codes in the United States by state or territory
- For more information, see List of North American Numbering Plan area codes.
Due to the scope of this category, it should only contain subcategories.
Subcategories
This category has the following 20 subcategories, out of 20 total.
A
- Area codes in Alabama (4 P)
- Area codes in Arizona (3 P)
- Area codes in Arkansas (3 P)
C
- Area codes in California (22 P)
- Area codes in Colorado (3 P)
F
- Area codes in Florida (15 P)
G
I
- Area codes in Illinois (7 P)
- Area codes in Indiana (5 P)
- Area codes in Iowa (5 P)
K
- Area codes in Kansas (4 P)
- Area codes in Kentucky (4 P)
L
- Area codes in Louisiana (5 P)
M
- Area codes in Michigan (10 P)
N
- Area codes in New Jersey (6 P)
O
- Area codes in Ohio (8 P)
P
T
- Area codes in Texas (17 P)