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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-997 A Glassboro NJ   829J PAETEC ITEL, LLC 222   2025-05-14   
856-997 0 Glassboro NJ   829J PAETEC ITEL, LLC 222      
856-997 1 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2010-09-04   
856-997 2 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2016-02-05   
856-997 3 Glassboro NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2021-08-30   
856-997 4 Glassboro NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-31   
856-997 5 Glassboro NJ LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222   2021-08-30   
856-997 6 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2015-12-31   
856-997 7 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2015-12-31   
856-997 8 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2010-09-04   
856-997 9 Glassboro NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2010-09-04   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.