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.

Madison, WI

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-740 6 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-740 7 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-740 8 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-740 9   829J PAETEC ITEL, LLC 354      
608-770 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 A MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 0 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 1 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 5 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 6 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 7 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 8 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-772 9 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-800 A MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-800 0 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-800 1 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-800 2 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-800 3 MDSNWI11X2Y  5562 METROPCS, INC. 354      
608-800 4 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354      
608-800 5 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354      
608-800 6 MDSNWI02ZMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 354      
608-800 7 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-800 8 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-800 9 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-807 A MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 0 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 1 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 2 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 3 MDSNWI11X1X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354      
608-807 4 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 5 MDSNWI025MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 354      
608-807 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-807 7 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-807 8 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-807 9 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-817 A MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-817 0 MDSNWI11XIX  007F BANDWIDTH.COM CLEC, LLC - WI 354      
608-817 1 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 2 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 3 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 4 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 5   225C ONVOY, LLC - WI 354      
608-817 6 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 7 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 8 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-817 9 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-819 A   829J PAETEC ITEL, LLC 354      
608-819 0   829J PAETEC ITEL, LLC 354      
608-819 1   829J PAETEC ITEL, LLC 354      
608-819 2   829J PAETEC ITEL, LLC 354      
608-819 3   829J PAETEC ITEL, LLC 354      
608-819 4   829J PAETEC ITEL, LLC 354      
608-819 5   829J PAETEC ITEL, LLC 354      
608-819 6 FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-819 7   829J PAETEC ITEL, LLC 354      
608-819 8 FTBGWIDKGT0  3839 CHARTER FIBERLINK, LLC - WI 354      
608-819 9   829J PAETEC ITEL, LLC 354      
608-843 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-852 A MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 0 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 1 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-852 2 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-852 3 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 4 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 5 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 7 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-852 8   829J PAETEC ITEL, LLC 354      
608-852 9 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-866 A MDSRWIKE4MD  145J TERRA NOVA TELECOM INC. 354      
608-866 0 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-866 1 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-866 2 MDSNWI11XAX  624H ONVOY SPECTRUM, LLC 354      
608-866 3 MDSNWI11X1X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 354      
608-866 4 MDSNWI11XAX  624H ONVOY SPECTRUM, LLC 354      
608-866 5 MDSNWI11XAX  624H ONVOY SPECTRUM, LLC 354      
608-866 6   145J TERRA NOVA TELECOM INC. 354      
608-866 7 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-866 8 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-866 9 MDSNWI11XAY  624H ONVOY SPECTRUM, LLC 354      
608-867 A MDSRWIKE1MD  939H COMMIO, LLC 354      
608-867 0 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354      
608-867 1 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354      
608-867 2 MDSNWI11XAX  225C ONVOY, LLC - WI 354      
608-867 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-867 4 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-867 5 MDSRWIKE1MD  939H COMMIO, LLC 354      
608-867 6 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-867 7 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-867 8 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354      
608-867 9 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-886 A MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-886 0 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-886 1 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354      
608-886 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-886 3 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354      
608-886 4 MDSNWI11XNX  6529 T-MOBILE USA, INC. 354      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.