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: CMDNNJCE69Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
609-436 A Princeton NJ 7421 AT&T - LOCAL 222      
609-454 A Princeton NJ 7421 AT&T - LOCAL 222      
609-559 A Pennington NJ 7421 AT&T - LOCAL 222      
609-570 A Mercerville NJ 7421 AT&T - LOCAL 222      
609-571 A Trenton NJ 7421 AT&T - LOCAL 222      
609-583 A Ewing NJ 7421 AT&T - LOCAL 222      
609-659 A Ewing NJ 7421 AT&T - LOCAL 222      
856-379 A Camden NJ 7421 AT&T - LOCAL 222      
856-437 A Moorestown NJ 7421 AT&T - LOCAL 222      
856-438 A Merchantville NJ 7421 AT&T - LOCAL 222      
856-480 A Mullica Hill NJ 7421 AT&T - LOCAL 222      
856-568 A Laurel Springs NJ 7421 AT&T - LOCAL 222      
856-574 A Marlton NJ 7421 AT&T - LOCAL 222      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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