Area code 720 — Colorado (US)

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Related area codes

716 717 719 724 725 726

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Sub‑area codes

More specific prefixes within this large region.

720283 720344 720348 720406 720424 720494 720535 720565 720570 720685 720733 720748 720777 720842 720848 720851 720855 720859 720865 720870 720887 720904 720913 720922 720932 720941 720981