Area Code 412

Area code 412 serves the state of Pennsylvania. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 412 is a General Purpose Code. 412 service area does overlap with 878 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D. All calls within and between NPAs 412 and 724 and 878 can be dialed as 10D or 1+10D. Calls to other NPAs must be dialed as 1+10D.

Area Code & Prefix Location
412-217 Crafton, Pa
412-235 Portland, Pa
412-238 Portland, Pa
412-282 Portland, Pa
412-296 Pittsburgh, Pa
412-336 Portland, Pa
412-372 Monroeville, Pa
412-373 Monroeville, Pa
412-374 Monroeville, Pa
412-380 Monroeville, Pa
412-382 Elizabeth, Pa
412-384 Elizabeth, Pa
412-387 Pittsburgh, Pa
412-399 Portland, Pa
412-405 Pittsburgh, Pa
412-437 Portland, Pa
412-438 Portland, Pa
412-450 Portland, Pa
412-451 Portland, Pa
412-542 Portland, Pa
412-543 Portland, Pa
412-568 Portland, Pa
412-569 Portland, Pa
412-603 Bridgeville, Pa
412-614 Butler, Pa
412-620 Portland, Pa
412-625 Portland, Pa
412-629 Bridgeville, Pa
412-663 Portland, Pa
412-666 Monroeville, Pa
412-695 Portland, Pa
412-729 Gibsonia, Pa
412-732 Bellevue, Pa
412-734 Bellevue, Pa
412-755 Portland, Pa
412-756 Portland, Pa
412-761 Bellevue, Pa
412-766 Bellevue, Pa
412-794 Portland, Pa
412-832 Portland, Pa
412-856 Monroeville, Pa
412-858 Monroeville, Pa
412-879 Pittsburgh, Pa
412-902 Portland, Pa
412-945 Portland, Pa
412-946 Portland, Pa
412-972 Bridgeville, Pa
412-974 Bridgeville, Pa
412-994 Bridgeville, Pa
412-997 Bridgeville, Pa