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 28 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
414-616 0 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-616 1 MILWWIHEWMD  516C AT&T CORP. 356   2010-04-14   
414-616 2 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-616 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-616 4 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-616 5 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-616 6 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-616 7 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-06-19   
414-616 8 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-616 9 MILWWI28DSA  9327 WISCONSIN BELL INC 356      
414-617 A MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356      
414-625 A WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 0 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2008-02-09   
414-625 1 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 2 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 3 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 4 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 5 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 6 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 7 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 8 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-625 9 WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-627 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-629 A PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-629 0 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-14   
414-629 1 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-14   
414-629 2 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 3 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 4 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 5 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 6 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 7 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 8 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-629 9 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2015-07-13   
414-630 A MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
414-635 A   793K TWC IP ENABLED SERVICES, LLC 356      
414-635 0   793K TWC IP ENABLED SERVICES, LLC 356   2017-04-17   
414-635 1   793K TWC IP ENABLED SERVICES, LLC 356   2017-04-17   
414-635 2 MILWWIAUX6Y  073H TELNYX LLC 356   2017-04-18   
414-635 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-06-08   
414-635 4   793K TWC IP ENABLED SERVICES, LLC 356   2017-11-03   
414-635 5 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-10-24   
414-635 6 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2017-06-24   
414-635 7   793K TWC IP ENABLED SERVICES, LLC 356   2018-01-06   
414-635 8 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-03-24   
414-635 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-07-04   
414-639 A PEWTWICI7MD  6529 T-MOBILE USA, INC. 356      
414-639 0 PEWTWICI7MD  5562 METROPCS, INC. 356   2011-07-30   
414-639 1 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2011-07-30   
414-639 2 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2011-07-30   
414-639 3 PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2011-09-01   
414-639 4 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2011-09-19   
414-639 5 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2011-09-30   
414-639 6 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-09-17   
414-639 7 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-09-17   
414-639 8 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-09-17   
414-639 9 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-08-07   
414-640 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-643 A MILWWI34DS1  9327 WISCONSIN BELL INC 356      
414-644 A MILWWIAUXZZ  965H FRACTEL, LLC 356      
414-644 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-10-30   
414-644 1 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-10-30   
414-644 2 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-10-30   
414-644 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-10-30   
414-644 4 MILWWIAUXZZ  965H FRACTEL, LLC 356   2020-10-04   
414-644 5 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2020-10-30   
414-644 6 PEWTWICI7MD  5562 METROPCS, INC. 356   2021-01-07   
414-644 7 PEWTWICI7MD  5562 METROPCS, INC. 356   2021-01-07   
414-644 8 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-11-28   
414-644 9 PEWTWICI7MD  5562 METROPCS, INC. 356   2021-01-07   
414-645 A MILWWI34DS1  9327 WISCONSIN BELL INC 356      
414-646 A MILWWI34DS1  9327 WISCONSIN BELL INC 356      
414-647 A MILWWI34DS1  9327 WISCONSIN BELL INC 356      
414-649 A MILWWI34DS1  9327 WISCONSIN BELL INC 356      
414-651 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-659 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-662 A MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356      
414-662 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-03-28   
414-662 1 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2018-10-22   
414-662 2 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2019-02-01   
414-662 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-03-28   
414-662 4 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-03-28   
414-662 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
414-662 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
414-662 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
414-662 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
414-662 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
414-665 A MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-666 A MILWWIAUDS1  225C ONVOY, LLC - WI 356      
414-666 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 1 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 2 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 4 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 5 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2017-11-26   
414-666 7 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 8 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-666 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-03-31   
414-669 A MILWWI13X3X  6630 USA MOBILITY WIRELESS, INC. 356      

<< 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 28 >>

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.