Local Calling Guide

Area code/prefix search

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NPA: 645 [Rate centres in NPA 645] [Dial plan for NPA 645]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-400 A Miami FL MIAUFLWSDS8  693K LIVEWIRE TELECOM, LLC 46017   2024-07-12   
645-400 0 Miami FL   693K LIVEWIRE TELECOM, LLC 46017   2024-07-12   
645-400 2 Miami FL   693K LIVEWIRE TELECOM, LLC 46017   2024-07-12   
645-400 4 Miami FL   693K LIVEWIRE TELECOM, LLC 46017   2024-07-12   
645-400 5 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2024-07-13   
645-400 6 Miami FL   937C ONVOY, LLC - FL 46017   2024-07-13   
645-400 7 Miami FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2024-07-17   
645-400 8 Miami FL   937C ONVOY, LLC - FL 46017   2024-07-13   
645-400 9 Miami FL   937C ONVOY, LLC - FL 46017   2024-07-13   

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

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