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← Area code 620

620-509 phone numbers

Numbers 620-509-0000 to 620-509-9999 are assigned to Level 3 Communications, LLC in Lyons, KS. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 620-509