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: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-658 A Swedesboro NJ   5364 COMCAST BUSINESS COMMUNICATIONS, LLC - NJ 222      
856-658 0 Swedesboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-04-29   
856-658 1 Swedesboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-04-29   
856-658 2 Swedesboro NJ CMDNNJCE58Z  318J COMCAST IP PHONE LLC 222   2015-10-09   
856-658 3 Swedesboro NJ CMDNNJCE43Z  073H TELNYX LLC 222   2017-03-15   
856-658 4 Swedesboro NJ CMDNNJCE62Z  506J TWILIO INTERNATIONAL INC 222   2020-12-19   
856-658 5 Swedesboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2020-10-24   
856-658 6 Swedesboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2020-10-24   
856-658 7 Swedesboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-03-07   
856-658 8 Swedesboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-03-07   
856-658 9 Swedesboro NJ CMDNNJCEDS9  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2016-10-13   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.