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Area codes 678, 470, and 943
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<p>Area codes 678, 470, and 943 are telephone <a href="/facts/Area_code/jaryReDv">area codes</a> in the <a href="/facts/North_American_Numbering_Plan/0QQ8v3ph">North American Numbering Plan</a> (NANP) for the <a href="/facts/U.S._State/PFwcRIYQ">U.S. State</a> of <a href="/facts/Georgia_(U.S._state)/KKnTDY6F">Georgia</a> in the <a href="/facts/Atlanta_metropolitan_area/nRhByQhJ">Atlanta metropolitan area</a>. The area codes are assigned in an <a href="/facts/Overlay_plan/faRNxFIj">overlay plan</a> to a combined numbering plan area (NPA) consisting of <a href="/facts/Area_code_404/q8SWrfUY">404</a> (Atlanta and its suburbs inside <a href="/facts/Interstate_285_(Georgia)/xR1sfx6q">Interstate 285</a>) and <a href="/facts/Area_code_770/1IyIVd3p">770</a> (Atlanta <a href="/facts/Suburb/8Nv6KVJr">suburbs</a> and <a href="/facts/Exurb/je7BXVg7">exurbs</a> outside of I-285). </p>