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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-577 A Livingston NJ NWRKNJ41DS0  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 224      
973-577 0 Livingston NJ PSWYNJBXDS0  999H BLUEBIRD COMMUNICATIONS, LLC - NJ 224      
973-577 1 Livingston NJ NWRKNJ41DS0  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 224      
973-577 2 Livingston NJ NWRKNJ41DS0  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 224      
973-577 3 Livingston NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-577 4 Livingston NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-577 5 Livingston NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
973-577 6 Livingston NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-577 7 Livingston NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-577 8 Livingston NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-577 9 Livingston NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.