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: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 701

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-701 A Galveston IN IPLSIN01XDZ  508J CENTURYLINK COMMUNICATIONS, LLC 336      
574-701 0 Galveston IN   279F PEERLESS NETWORK OF INDIANA, LLC - IN 336   2018-10-18   
574-701 1 Galveston IN   624H ONVOY SPECTRUM, LLC 336   2021-06-11   
574-701 2 Galveston IN   097D ONVOY, LLC - IN 336   2019-08-25   
574-701 3 Galveston IN   097D ONVOY, LLC - IN 336   2019-08-25   
574-701 4 Galveston IN   097D ONVOY, LLC - IN 336   2018-10-15   
574-701 5 Galveston IN   097D ONVOY, LLC - IN 336   2020-10-23   
574-701 6 Galveston IN   097D ONVOY, LLC - IN 336   2020-10-23   
574-701 7 Galveston IN   508J CENTURYLINK COMMUNICATIONS, LLC 336   2014-09-05   
574-701 8 Galveston IN   097D ONVOY, LLC - IN 336   2021-03-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.