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← Area code 443

443-446 phone numbers

Numbers 443-446-0000 to 443-446-9999 are assigned to Mcimetro Access Transmission Services LLC in Queenstown, MD. 9 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 443-446-0xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 443-446