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: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-401 A Green Bay WI MRNTWI24DS0  766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350      
920-401 0 Green Bay WI MRNTWI24DS0  766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350      
920-401 1 Green Bay WI GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
920-401 2 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
920-401 3 Green Bay WI GNBYWI01OMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 350      
920-401 4 Green Bay WI APPLWI01XWX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 350      
920-401 5 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
920-401 6 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
920-401 7 Green Bay WI GNBYWIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 350      
920-401 8 Green Bay WI GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      
920-401 9 Green Bay WI GNBYWI01XMX  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 350      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.