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: 669

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-669 A Mayville WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-669 0 Mayville WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-669 1 Mayville WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356      
920-669 3 Mayville WI MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356      
920-669 4 Mayville WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
920-669 6 Mayville WI   225C ONVOY, LLC - WI 356      
920-669 8 Mayville WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-669 9 Mayville WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      

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.