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: NWRKNJMDX5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
551-413 3 Kearny NJ 612K CSC VOICE, LLC 224   2026-02-21   
732-218 0 Woodbridge NJ 612K CSC VOICE, LLC 224   2025-11-04   
732-231 9 Carteret NJ 612K CSC VOICE, LLC 224   2025-11-04   
862-464 A Newark NJ 612K CSC VOICE, LLC 224   2025-09-26   
862-464 4 Newark NJ 612K CSC VOICE, LLC 224   2025-09-26   
908-620 4 Roselle NJ 612K CSC VOICE, LLC 224   2026-01-19   
908-718 9 Linden NJ 612K CSC VOICE, LLC 224   2025-11-04   
908-858 1 Cranford NJ 612K CSC VOICE, LLC 224   2026-01-19   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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