Area code 403 — Alberta (US)

Latest community reports for numbers starting with 403.

Related area codes

386 401 402 404 405 406

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Sub‑area codes

More specific prefixes within this large region.

4032 40334 403223 403227 403309 403313 403314 403317 403320 403327 403328 403329 403331 403335 403337 403345 403350 403352 403358 403362 403380 403381 403382 403394 403398 403399 403443 403444 403451 403452 403453 403455 403457 403485 403500 403501 403502 403504 403508 403525