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: 551 [Rate centres in NPA 551] [Dial plan for NPA 551]

NXX: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-465 A Leonia NJ JRCYNJ65BMD  965H FRACTEL, LLC 224      
551-465 0 Leonia NJ   515J IP HORIZON LLC 224   2020-05-28   
551-465 1 Leonia NJ   515J IP HORIZON LLC 224   2020-05-28   
551-465 2 Leonia NJ JRCYNJ658MD  197D VONAGE AMERICA LLC 224   2020-07-17   
551-465 3 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2020-05-01   
551-465 4 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2020-05-01   
551-465 5 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2020-08-15   
551-465 6 Leonia NJ JRCYNJ658MD  197D VONAGE AMERICA LLC 224   2020-07-17   
551-465 7 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2020-08-15   
551-465 8 Leonia NJ JRCYNJ65BMD  965H FRACTEL, LLC 224   2020-04-16   
551-465 9 Leonia NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2020-08-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.