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.

NPA: 363 [Rate centres in NPA 363] [Dial plan for NPA 363]

NXX: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
363-800 A Nassau Zone 7 NY   624H ONVOY SPECTRUM, LLC 132   2026-02-20   
363-800 0 Nassau Zone 7 NY   624H ONVOY SPECTRUM, LLC 132   2026-02-20   
363-800 1 Nassau Zone 7 NY   384C ONVOY, LLC- NY 132   2026-02-23   
363-800 2 Nassau Zone 7 NY   384C ONVOY, LLC- NY 132   2026-03-22   
363-800 3 Nassau Zone 7 NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-06-04   
363-800 4 Nassau Zone 7 NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-06-04   
363-800 5 Nassau Zone 7 NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-06-04   
363-800 6 Nassau Zone 7 NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-06-04   
363-800 7 Nassau Zone 7 NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2026-06-04   
363-800 8 Nassau Zone 7 NY   624H ONVOY SPECTRUM, LLC 132   2026-02-20   
363-800 9 Nassau Zone 7 NY   624H ONVOY SPECTRUM, LLC 132   2026-02-20   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.