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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-347 A Glassboro NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-347 0 Glassboro NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2008-12-04   
856-347 1 Glassboro NJ CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2012-09-17   
856-347 2 Glassboro NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2005-05-13   
856-347 3 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2012-02-20   
856-347 4 Glassboro NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2003-08-26   
856-347 5 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2013-01-06   
856-347 6 Glassboro NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2022-09-26   
856-347 7 Glassboro NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2015-05-16   
856-347 8 Glassboro NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-347 9 Glassboro NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2022-09-26   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.