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: 609 [Rate centres in NPA 609] [Dial plan for NPA 609]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
609-378 A Plainsboro NJ CMDNNJCEX5Z  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      
609-378 0 Plainsboro NJ CMDNNJCEX5Z  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      
609-378 1 Plainsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2013-04-14   
609-378 2 Plainsboro NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-04-16   
609-378 3 Plainsboro NJ CMDNNJCEX2X  2680 PAETEC COMMUNICATIONS, INC. - NJ 222   2005-05-09   
609-378 4 Plainsboro NJ CMDNNJCEX5Z  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      
609-378 5 Plainsboro NJ CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222   2006-10-03   
609-378 6 Plainsboro NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-31   
609-378 7 Plainsboro NJ PNVLNJAGH00  4869 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - NJ 222   2009-03-23   
609-378 8 Plainsboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2020-05-29   
609-378 9 Plainsboro NJ CMDNNJCEX5Z  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.