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Area codes running out of numbers

Twice a year NANPA forecasts when each area code will run out of prefixes. In the April 2026 edition, 16 of 244 forecast areas run out by 2030; the first is 347, 718, 917, 929 in 3Q 2027.

The 80 earliest are listed; each code page shows its own forecast.

Source: NANPA NRUF forecast, April 2026 edition.