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← Area code 609

609-436 phone numbers

Numbers 609-436-0000 to 609-436-9999 are assigned to AT&T - Local in Princeton, NJ. 8 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 609-436