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: 973 [Rate centres in NPA 973] [Dial plan for NPA 973]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-638 A Little Falls NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224      
973-638 0 Little Falls NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224      
973-638 1 Little Falls NJ PRNYNJFPDS1  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2007-12-21   
973-638 2 Little Falls NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2003-04-07   
973-638 3 Little Falls NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224      
973-638 4 Little Falls NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224      
973-638 5 Little Falls NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224      
973-638 6 Little Falls NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2021-02-24   
973-638 7 Little Falls NJ NWRKNJ02XEZ  1913 BROADVIEW NETWORKS, INC. - NJ 224   2006-08-30   
973-638 8 Little Falls NJ LTFYNJLFPS0  482E FUSION, LLC 224   2008-04-11   
973-638 9 Little Falls NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.