From Wikipedia, the free encyclopedia
U.S. area code 734 covers southern portions of southeast Michigan, including all of Washtenaw (its largest city being Ann Arbor) and Monroe counties, and southern and western portions of Wayne County.
| State of Michigan area codes: 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989 |
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North: 517, 810, 248/947 |
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| West: 517 |
area code 734 |
East: 313, 519/226 |
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South: 419, 567 |
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| State of Ohio area codes: 216, 234, 419, 440, 567, 330, 513, 614, 740, 937 |
| Province of Ontario area codes: 226, 289, 416, 519, 613, 647, 705, 807, 905 |
