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.

NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-253 A Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 0 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 1 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 2 Watertown WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-253 3 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 4 Watertown WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-253 5 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 6 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 7 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 8 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-253 9 Watertown WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.