NANPA pushed most exhaust forecasts later this cycle — but a few area codes moved the other way

Twice a year, NANPA publishes a projection of when each North American area code will run out of assignable central-office prefixes. Any single projection is a snapshot. The more useful signal — and the one NANPA does not publish in consolidated form — is how those projections move from one edition to the next. We track all vintages in the current file and compute the revision, in quarters, for every area code. Here is what the latest edition (2026.1) changed.

The headline: forecasts receded

Of the 236 area codes carrying a comparable prior forecast, 186 moved later and only 50 moved earlier. In plain terms, most of the plan bought itself time this cycle. That is consistent with how the system is designed to work: thousands-block pooling, code reclamation and returns quietly recover capacity, so a code that looked tight a year ago often looks less tight now.

The exceptions are what deserve attention. A forecast pulled earlier means demand is outpacing the prior estimate — those are the codes where relief planning tends to follow.

The most dramatic single revision: Alabama's 334/483

For several consecutive editions, NANPA projected the 334/483 complex in Alabama to exhaust around 2026. In the 2026.1 edition that projection jumped to 2064 — a deferral of roughly 38 years in a single revision. A move of that size in one cycle almost always reflects a large recovery of capacity (returned or reclaimed blocks re-entering the pool) rather than a modeling quirk, but it is a reminder that a projected exhaust date is a moving estimate, not a countdown clock.

The near-term movers

Far-future projections — anything past about 2050 — are inherently noisy, and large swings between them mean little for planning. The revisions that matter are near-term. Several complexes were pulled earlier by about five years, moving their projected exhaust into the early-to-mid 2030s. Those are the codes to watch on our forecast-revisions tracker, which lists the current near-term watch list and updates on every import.

How to read any of this

Projections are to quarter precision and are NANPA's own, computed from carrier forecasts, pooling behavior and assignment history. They are not guarantees, and relief planning can — and often does — begin well before the projected date. What we add is the longitudinal view: every vintage, every revision, recomputed on each import, so a forecast can be checked against its own track record rather than taken as a single number.

Sources: NANPA NPA Exhaust Projections, all vintages in the current file (Tier A primary source), recomputed on every import. Figures are derived; see our methodology. The complete per-area-code revision series is available as a member dataset.