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.

Fond du Lac, WI

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-933 2 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-933 3 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-933 4 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-933 5 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-933 6 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-933 7 PEWTWICI4MD  5562 METROPCS, INC. 356      
920-933 8 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-933 9 PEWTWICI4MD  5562 METROPCS, INC. 356      
920-948 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-952 A MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-952 0 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-952 1 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-952 2 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-952 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-952 4 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
920-952 5 MILWWIAUXAY  197D VONAGE AMERICA LLC 356      
920-952 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-952 7 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-952 8 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356      
920-952 9 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-957 A   6529 T-MOBILE USA, INC. 356   2024-04-13   
920-957 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-957 1   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-957 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-957 7   225C ONVOY, LLC - WI 356      
920-957 8   6529 T-MOBILE USA, INC. 356      
920-957 9   6529 T-MOBILE USA, INC. 356      
920-960 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-970 A PEWTWICI4MD  5562 METROPCS, INC. 356      
920-970 0 MILWWIAU00Z  145J TERRA NOVA TELECOM INC. 356      
920-970 1 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
920-970 2 PEWTWICI4MD  5562 METROPCS, INC. 356      
920-970 3 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-970 4 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-970 6   6529 T-MOBILE USA, INC. 356      
920-970 7 MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
920-970 8 PEWTWICI1MD  6529 T-MOBILE USA, INC. 356      
920-970 9 PEWTWICI4MD  5562 METROPCS, INC. 356      
920-979 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      

<< 1 2 3

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.