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.

Milwaukee Zone 1, WI

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
414-839 2 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 3 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 4 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 5 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 6 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 7 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 8 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-839 9 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-840 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-841 A PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 0 PEWTWICI7MD  5562 METROPCS, INC. 356   2007-04-16   
414-841 1 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 2 PEWTWICI7MD  5562 METROPCS, INC. 356   2007-04-16   
414-841 3 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 4 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 5 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 6 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 7 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 8 PEWTWICI7MD  5562 METROPCS, INC. 356      
414-841 9 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-842 A MILWWIAUXZZ  965H FRACTEL, LLC 356      
414-842 0 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 1 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 5 MILWWIAUXZZ  965H FRACTEL, LLC 356   2020-05-02   
414-842 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-842 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-05-26   
414-844 A MILWWI12DS2  9327 WISCONSIN BELL INC 356      
414-847 A MILWWI12X8Y  829J PAETEC ITEL, LLC 356      
414-850 A MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356      
414-850 0 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2022-09-12   
414-850 1 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-09-18   
414-850 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2022-11-03   
414-850 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2022-11-03   
414-850 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2022-11-03   
414-850 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2022-11-03   
414-850 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2022-11-03   
414-850 7 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2022-09-18   
414-850 8 MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2023-06-12   
414-850 9 MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2023-11-08   
414-852 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-861 A MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
414-867 A MILWWIAUX7Y  939H COMMIO, LLC 356      
414-867 0 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2019-12-31   
414-867 1 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2020-01-15   
414-867 2 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2019-10-31   
414-867 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-11-17   
414-867 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-11-17   
414-867 5 MILWWIAUX7Y  939H COMMIO, LLC 356   2019-08-30   
414-867 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-10-05   
414-867 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-11-17   
414-867 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-10-05   
414-867 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-01-16   
414-870 A MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
414-871 A MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-873 A MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-874 A MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 A MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 0 PEWTWICI7MD  5562 METROPCS, INC. 356   2014-12-24   
414-875 1 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 2 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 3 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-04-10   
414-875 4 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 5 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 6 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 7 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2010-06-19   
414-875 8 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-875 9 MILWWI27DS0  9327 WISCONSIN BELL INC 356      
414-877 A MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356      
414-877 0 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 1 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 2 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 3 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 4 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 5 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 6 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 7 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 8 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-877 9 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2010-06-17   
414-881 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-882 A MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
414-882 0 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2010-09-06   
414-882 1 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2010-09-06   
414-882 2 MILWWI12X8Y  829J PAETEC ITEL, LLC 356   2010-09-08   
414-882 3 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2010-10-02   
414-882 4 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-882 5 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-882 6 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-882 7   793K TWC IP ENABLED SERVICES, LLC 356   2011-05-22   
414-882 8 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-10-08   
414-882 9 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2010-11-06   
414-885 A   793K TWC IP ENABLED SERVICES, LLC 356      
414-885 0   793K TWC IP ENABLED SERVICES, LLC 356   2015-03-20   
414-885 1   793K TWC IP ENABLED SERVICES, LLC 356   2015-03-20   
414-885 2   793K TWC IP ENABLED SERVICES, LLC 356   2015-03-20   
414-885 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-03-21   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.