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← Area code 319

319-488 phone numbers

Numbers 319-488-0000 to 319-488-9999 are assigned to Verizon Wireless in Keystone, IA. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 319-488-1xxx, 319-488-2xxx, 319-488-3xxx, 319-488-5xxx, 319-488-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 319-488