573-345 phone numbers

Numbers 573-345-0000 to 573-345-9999 are assigned to Southwestern Bell (rate centre CLIMAX SPG, MO, NANPA abbreviation). 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 573-345-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 573-345