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: 305 [Rate centres in NPA 305] [Dial plan for NPA 305]

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
305-504 A Keys FL MRMRFL096MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46017      
305-504 0 Keys FL MRMRFL096MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46017   2013-01-05   
305-504 1 Keys FL MRMRFL096MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46017   2013-01-05   
305-504 2 Keys FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46017   2013-02-24   
305-504 3 Keys FL PRRNFLAEGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2013-01-13   
305-504 4 Keys FL PRRNFLAEGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2013-01-13   
305-504 5 Keys FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46017   2013-02-24   
305-504 6 Keys FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46017   2013-02-24   
305-504 7 Keys FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46017   2013-02-24   
305-504 8 Keys FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46017   2013-02-24   
305-504 9 Keys FL MRMRFL096MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46017   2013-01-05   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.