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.
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NPA: 201 [Rate centres in NPA 201] [Dial plan for NPA 201]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
201-228 A Leonia NJ CDKNNJCKAMD  7421 AT&T - LOCAL 224      
201-228 0 Leonia NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2011-03-04   
201-228 1 Leonia NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2006-05-21   
201-228 2 Leonia NJ CDKNNJCKAMD  7421 AT&T - LOCAL 224      
201-228 3 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2018-12-21   
201-228 4 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2018-07-07   
201-228 5 Leonia NJ CDKNNJCKAMD  7421 AT&T - LOCAL 224      
201-228 6 Leonia NJ   829J PAETEC ITEL, LLC 224   2005-02-14   
201-228 7 Leonia NJ CDKNNJCKAMD  7421 AT&T - LOCAL 224      
201-228 8 Leonia NJ BLVLNJAADS0  8407 COOPERATIVE COMMUNICATIONS, INC. 224   2002-04-03   
201-228 9 Leonia NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2008-05-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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