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: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
305-766 A Keys FL MIAMFLGR78Z  6889 OMNIPOINT MIAMI E LICENSE, LLC 46017      

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

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