With the rollout of the <a href="https://en.wikipedia.org/wiki/North_American_Numbering_Plan" id="mwxw" rel="mw:WikiLink" title="North American Numbering Plan">North American Numbering Plan</a>, direct-dial coast-to-coast <a href="https://en.wikipedia.org/wiki/Telephone" id="mwyA" rel="mw:WikiLink" title="Telephone">telephone</a> service begins in the United States.