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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
534-227 A Colby WI GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350      
534-227 0 Colby WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 1 Colby WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 2 Colby WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 3 Colby WI WAUSWIXAOMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
534-227 4 Colby WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
534-227 6 Colby WI GNBYWIEL9MD  516J TON80 COMMUNICATIONS, LLC 350      
534-227 8 Colby WI WAUSWIXAX6X  225C ONVOY, LLC - WI 350      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.