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 29 30 31 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
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      
414-627 0   6274 UNITED STATES CELLULAR - WI 356      
414-627 1   6274 UNITED STATES CELLULAR - WI 356      
414-627 2   6274 UNITED STATES CELLULAR - WI 356      
414-627 3   6274 UNITED STATES CELLULAR - WI 356      
414-627 4   6274 UNITED STATES CELLULAR - WI 356      
414-627 5   6274 UNITED STATES CELLULAR - WI 356      
414-627 6   6274 UNITED STATES CELLULAR - WI 356      
414-627 7   6274 UNITED STATES CELLULAR - WI 356      
414-627 8   6274 UNITED STATES CELLULAR - WI 356      
414-627 9   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      
414-640 0   6274 UNITED STATES CELLULAR - WI 356      
414-640 1   6274 UNITED STATES CELLULAR - WI 356      
414-640 2   6274 UNITED STATES CELLULAR - WI 356      
414-640 3   6274 UNITED STATES CELLULAR - WI 356      
414-640 4   6274 UNITED STATES CELLULAR - WI 356      
414-640 5   6274 UNITED STATES CELLULAR - WI 356      
414-640 6   6274 UNITED STATES CELLULAR - WI 356      
414-640 7   6274 UNITED STATES CELLULAR - WI 356      
414-640 8   6274 UNITED STATES CELLULAR - WI 356      
414-640 9   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      
414-651 0   6274 UNITED STATES CELLULAR - WI 356      
414-651 1   6274 UNITED STATES CELLULAR - WI 356      
414-651 2   6274 UNITED STATES CELLULAR - WI 356      
414-651 3   6274 UNITED STATES CELLULAR - WI 356      
414-651 4   6274 UNITED STATES CELLULAR - WI 356      
414-651 5   6274 UNITED STATES CELLULAR - WI 356      
414-651 6   6274 UNITED STATES CELLULAR - WI 356      
414-651 7   6274 UNITED STATES CELLULAR - WI 356      
414-651 8   6274 UNITED STATES CELLULAR - WI 356      
414-651 9   6274 UNITED STATES CELLULAR - WI 356      
414-659 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
414-659 0   6274 UNITED STATES CELLULAR - WI 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 29 30 31 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.