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: 205 [Rate centres in NPA 205] [Dial plan for NPA 205]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
205-273 A Detroit AL DTRTALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
205-273 0 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 1 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 2 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 3 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 4 Detroit AL DTRTALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
205-273 5 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 6 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 7 Detroit AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
205-273 8 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      
205-273 9 Detroit AL BRHMALMT32Z  604E ONVOY, LLC - AL 476      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.