Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   604E ONVOY, LLC - AL 476   2019-01-18   
205-273 1 Detroit AL   604E ONVOY, LLC - AL 476   2019-01-18   
205-273 2 Detroit AL   604E ONVOY, LLC - AL 476   2019-10-12   
205-273 3 Detroit AL   604E ONVOY, LLC - AL 476   2018-09-23   
205-273 4 Detroit AL   9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
205-273 5 Detroit AL   604E ONVOY, LLC - AL 476   2019-05-20   
205-273 6 Detroit AL   604E ONVOY, LLC - AL 476   2019-05-20   
205-273 7 Detroit AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2014-03-24   
205-273 8 Detroit AL   604E ONVOY, LLC - AL 476   2019-04-01   
205-273 9 Detroit AL   604E ONVOY, LLC - AL 476   2019-04-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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