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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Switch: MLHLNJMHRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
856-223 A Mullica Hill NJ 9206 VERIZON NEW JERSEY, INC. 222      
856-478 A Mullica Hill NJ 9206 VERIZON NEW JERSEY, INC. 222      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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