620-590 phone numbers

Numbers 620-590-0000 to 620-590-9999 are assigned to New Cingular Wireless PCS, LLC in Winfield, KS. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 620-590-2xxx, 620-590-3xxx, 620-590-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 620-590