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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
414-285 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 1 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-11-18   
414-285 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 4 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 5 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 6 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 7 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-11-19   
414-285 8 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2021-11-10   
414-285 9 MILWWI12X3Y  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356   2021-02-11   
414-286 A MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 0 MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 1 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2012-08-09   
414-286 2 MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 3 MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 4 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-286 5 MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 6 MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 7 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-286 8 MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-286 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-287 A MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-288 A MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-289 A MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-290 A WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
414-291 A MILWWI13DS1  9327 WISCONSIN BELL INC 356      
414-292 A NWBLWICYDS0  7804 TDS METROCOM, INC. - WI 356      
414-292 0 NWBLWICYDS0  7804 TDS METROCOM, INC. - WI 356   2006-04-07   
414-292 1 NWBLWICYDS0  7804 TDS METROCOM, INC. - WI 356   2006-04-07   
414-292 2 NWBLWICYDS0  7804 TDS METROCOM, INC. - WI 356   2006-04-07   
414-292 3 NWBLWICYDS0  7804 TDS METROCOM, INC. - WI 356   2006-04-07   
414-292 4 MILXWIIXDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2007-05-30   
414-292 5 PEWTWICI4MD  5562 METROPCS, INC. 356   2007-08-13   
414-292 6 PEWTWICI4MD  5562 METROPCS, INC. 356   2007-08-13   
414-292 7 PEWTWICI4MD  5562 METROPCS, INC. 356   2007-08-13   
414-292 8 PEWTWICI4MD  5562 METROPCS, INC. 356   2007-08-13   
414-292 9 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-03-13   
414-293 A MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356      
414-293 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-08-13   
414-293 1 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-08-13   
414-293 2 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-08-13   
414-293 3 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2021-08-13   
414-293 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-08-22   
414-293 5 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2021-08-14   
414-293 6 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-11-12   
414-293 7 MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2021-11-10   
414-293 8 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2021-09-17   
414-293 9 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2021-08-14   
414-294 A MILWWI42DS0  9327 WISCONSIN BELL INC 356      
414-294 0 MILWWI42DS0  9327 WISCONSIN BELL 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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.