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: NYCMNYZRQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-897 6 Greenwich CT 073H TELNYX LLC 132   2019-05-22   
516-407 1 Nassau Zone 1 NY 073H TELNYX LLC 132   2018-08-14   
631-916 0 Shoreham NY 073H TELNYX LLC 132   2021-03-26   
917-779 8 New York City Zone 01 NY 073H TELNYX LLC 132   2018-06-26   
917-779 9 New York City Zone 01 NY 073H TELNYX LLC 132   2018-06-26   
929-448 A New York City Zone 04 NY 073H TELNYX LLC 132      
929-448 0 New York City Zone 04 NY 073H TELNYX LLC 132   2017-05-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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