Area code 509

<p>Area code 509 is the telephone <a href="/facts/Area_code/jaryReDv">area code</a> in the <a href="/facts/North_American_Numbering_Plan/0QQ8v3ph">North American Numbering Plan</a> (NANP) for the <a href="/facts/Eastern_Washington/X19L3M3L">eastern</a> part of the <a href="/facts/U.S._state/PFwcRIYQ">U.S. state</a> of <a href="/facts/Washington_(state)/7tCrTFnN">Washington</a>. The numbering plan area (NPA) roughly comprises the state east of the <a href="/facts/Cascade_Mountains/v7n1chTV">Cascade Mountains</a>, and includes <a href="/facts/Spokane%2c_Washington/fpC9eCfh">Spokane</a>, <a href="/facts/Tri-Cities%2c_Washington/MKtfy7Hm">the Tri-Cities</a> (<a href="/facts/Richland%2c_Washington/VzQ8tj6o">Richland</a>, <a href="/facts/Pasco%2c_Washington/0pKKUwsW">Pasco</a>, and <a href="/facts/Kennewick%2c_Washington/bwsR6V1A">Kennewick</a>), <a href="/facts/Ellensburg%2c_Washington/Bc73N7sc">Ellensburg</a>, <a href="/facts/Yakima%2c_Washington/dbdqscKt">Yakima</a>, <a href="/facts/Walla_Walla%2c_Washington/etpvRl82">Walla Walla</a>, and <a href="/facts/Wenatchee%2c_Washington/KaEM3Hxb">Wenatchee</a>. The area code was assigned in a <a href="/facts/Area_code_split/naIyV2S2">split</a> of <a href="/facts/Area_code_206/eqlSrC2w">area code 206</a> in 1956.
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Area code 509 open-in-new

Area code 509