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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Rutherford, NJ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
551-766 3 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-02-05   
551-766 4 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-02-05   
551-766 5 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2022-12-12   
551-766 6 JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224   2022-05-02   
551-766 7 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-03-09   
551-766 8 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2023-03-09   
551-766 9 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2026-03-15   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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