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.

OCN: 6274 UNITED STATES CELLULAR - 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
414-531 8 Milwaukee Zone 1 WI   356      
414-531 9 Milwaukee Zone 1 WI   356      
414-550 A Milwaukee Zone 1 WI MILWWI12ZMD  356      
414-550 0 Milwaukee Zone 1 WI   356      
414-550 1 Milwaukee Zone 1 WI   356      
414-550 2 Milwaukee Zone 1 WI   356      
414-550 3 Milwaukee Zone 1 WI   356      
414-550 4 Milwaukee Zone 1 WI   356      
414-550 5 Milwaukee Zone 1 WI   356      
414-550 6 Milwaukee Zone 1 WI   356      
414-550 7 Milwaukee Zone 1 WI   356      
414-550 8 Milwaukee Zone 1 WI   356      
414-550 9 Milwaukee Zone 1 WI   356      
414-587 A Milwaukee Zone 1 WI MILWWI12ZMD  356      
414-587 0 Milwaukee Zone 1 WI   356      
414-587 1 Milwaukee Zone 1 WI   356      
414-587 2 Milwaukee Zone 1 WI   356      
414-587 3 Milwaukee Zone 1 WI   356      
414-587 4 Milwaukee Zone 1 WI   356      
414-587 5 Milwaukee Zone 1 WI   356      
414-587 6 Milwaukee Zone 1 WI   356      
414-587 7 Milwaukee Zone 1 WI   356      
414-587 8 Milwaukee Zone 1 WI   356      
414-587 9 Milwaukee Zone 1 WI   356      
414-588 A Milwaukee Zone 1 WI MILWWI12ZMD  356      
414-588 0 Milwaukee Zone 1 WI   356      
414-588 1 Milwaukee Zone 1 WI   356      
414-588 2 Milwaukee Zone 1 WI   356      
414-588 3 Milwaukee Zone 1 WI   356      
414-588 4 Milwaukee Zone 1 WI   356      
414-588 5 Milwaukee Zone 1 WI   356      
414-588 6 Milwaukee Zone 1 WI   356      
414-588 7 Milwaukee Zone 1 WI   356      
414-588 8 Milwaukee Zone 1 WI   356      
414-588 9 Milwaukee Zone 1 WI   356      
414-610 A Milwaukee Zone 1 WI MILWWI12ZMD  356      
414-610 0 Milwaukee Zone 1 WI   356      
414-610 1 Milwaukee Zone 1 WI   356      
414-610 2 Milwaukee Zone 1 WI   356      
414-610 3 Milwaukee Zone 1 WI   356      
414-610 4 Milwaukee Zone 1 WI   356      
414-610 5 Milwaukee Zone 1 WI   356      
414-610 6 Milwaukee Zone 1 WI   356      
414-610 7 Milwaukee Zone 1 WI   356      
414-610 8 Milwaukee Zone 1 WI   356      
414-610 9 Milwaukee Zone 1 WI   356      
414-627 A Milwaukee Zone 1 WI MILWWI12ZMD  356      
414-627 0 Milwaukee Zone 1 WI   356      
414-627 1 Milwaukee Zone 1 WI   356      
414-627 2 Milwaukee Zone 1 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 32 33 34 35 36 37 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.