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← Area code 573

573-323 phone numbers

Numbers 573-323-0000 to 573-323-9999 are assigned to Brightspeed of East Missouri, LLC in Van Buren, MO. 2 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 573-323-1xxx, 573-323-2xxx, 573-323-5xxx, 573-323-6xxx, 573-323-9xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 573-323