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← Area code 856

856-204 phone numbers

Numbers 856-204-0000 to 856-204-9999 are assigned to Ymax Communications Corp. in Vineland, 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 856-204