908-503 phone numbers

Numbers 908-503-0000 to 908-503-9999 are assigned to New Cingular Wireless PCS, LLC in Clinton, NJ. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 908-503-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 908-503