Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 305 [Rate centres in NPA 305] [Dial plan for NPA 305]

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
305-677 A Miami FL MIAMFL98DS4  937C ONVOY, LLC - FL 46017      
305-677 0 Miami FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46017   2005-03-19   
305-677 1 Miami FL   937C ONVOY, LLC - FL 46017   2005-01-14   
305-677 2 Miami FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46017   2005-04-24   
305-677 3 Miami FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46017   2005-04-24   
305-677 4 Miami FL   829J PAETEC ITEL, LLC 46017   2005-02-10   
305-677 5 Miami FL   829J PAETEC ITEL, LLC 46017   2005-03-02   
305-677 6 Miami FL   829J PAETEC ITEL, LLC 46017   2005-03-02   
305-677 7 Miami FL   829J PAETEC ITEL, LLC 46017   2005-03-02   
305-677 8 Miami FL   937C ONVOY, LLC - FL 46017   2010-08-05   
305-677 9 Miami FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46017   2005-04-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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