US

Area code 40 — Area (US)

Latest community reports for numbers starting with 40.

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201 202 204 205 206 207 208 209

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Sub‑area codes

More specific prefixes within this large region.
401 402 403 404 405 406 407 408 409 4032 40172 40184 40234 40239 40243 40247 40248 40255 40334 40425 40452 40476 40484 40487 40523 40560 40594 40658 40724 40729 40732 40767 40785 40789 40822 40826 40827 40828 40829 40873