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: 534 [Rate centres in NPA 534] [Dial plan for NPA 534]

NXX: 363

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-363 A Granton WI GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350      
534-363 0 Granton WI WAUSWIXAX3X  624H ONVOY SPECTRUM, LLC 350   2024-10-28   
534-363 7 Granton WI GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350   2022-03-16   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.