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.
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Switch: BRWDNYBW6KD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
516-809 3 Nassau Zone 9 NY 7421 AT&T - LOCAL 132      
516-837 4 Nassau Zone 3 NY 7421 AT&T - LOCAL 132      
631-387 8 Commack NY 7421 AT&T - LOCAL 132      
631-404 A Brentwood NY 7421 AT&T - LOCAL 132      
631-404 1 Brentwood NY 7421 AT&T - LOCAL 132      
631-404 3 Brentwood NY 7421 AT&T - LOCAL 132      
631-404 4 Brentwood NY 7421 AT&T - LOCAL 132      
631-489 2 West Commack NY 7421 AT&T - LOCAL 132      
631-693 8 Amityville NY 7421 AT&T - LOCAL 132      
631-812 6 Huntington NY 7421 AT&T - LOCAL 132      
631-881 A Central Islip NY 7421 AT&T - LOCAL 132      
631-881 6 Central Islip NY 7421 AT&T - LOCAL 132      
631-923 A Huntington NY 7421 AT&T - LOCAL 132      
631-923 4 Huntington NY 7421 AT&T - LOCAL 132      
631-923 9 Huntington NY 7421 AT&T - LOCAL 132      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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