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: 862 [Rate centres in NPA 862] [Dial plan for NPA 862]

NXX: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
862-574 A West Milford NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-12-05   
862-574 0 West Milford NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2024-12-05   
862-574 1 West Milford NJ   637C ONVOY, LLC - NJ 224   2025-04-13   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.