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.

Englewood, NJ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
551-501 7 NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2025-01-06   
551-501 8 NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-11-28   
551-501 9 NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2020-09-12   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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