Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: NYCMNYBX3MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
929-223 2 New York City Zone 04 NY 473G TELENGY L.L.C. - NY 132   2012-08-09   
929-223 5 New York City Zone 04 NY 473G TELENGY L.L.C. - NY 132   2012-09-06   
929-444 7 New York City Zone 07 NY 473G TELENGY L.L.C. - NY 132   2012-08-31   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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