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: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-531 A Mendham NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-531 0 Mendham NJ RDBKNJBADS1  3639 MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ 224   2002-04-26   
973-531 1 Mendham NJ LTFYNJLFPS0  482E FUSION, LLC 224   2008-04-11   
973-531 2 Mendham NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-531 3 Mendham NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-531 4 Mendham NJ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2006-04-05   
973-531 5 Mendham NJ NWRKNJMDVMD  2989 GLOBAL CROSSING LOCAL SERVICES, INC. - NJ 224   2006-12-01   
973-531 6 Mendham NJ NBWKNJ17DS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 224   2007-04-15   
973-531 7 Mendham NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2008-12-04   
973-531 8 Mendham NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      
973-531 9 Mendham NJ PRNYNJFPDS0  4948 CABLEVISION LIGHTPATH, INC. - NJ 224      

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.