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← Area code 773

773-225 phone numbers

Numbers 773-225-0000 to 773-225-9999 are assigned to T-Mobile USA, Inc. (rate centre CHICGOZN03, IL, NANPA abbreviation). 2 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 773-225