Local Calling Guide

Area code/prefix search

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

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-300 A Keys FL MIAMFLGR59Z  382G TERRA NOVA TELECOM, INC. - FL 46017   2024-01-18   
645-300 0 Keys FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46017   2026-01-19   
645-300 1 Keys FL   937C ONVOY, LLC - FL 46017   2024-03-02   
645-300 2 Keys FL   937C ONVOY, LLC - FL 46017   2024-03-02   
645-300 3 Keys FL   937C ONVOY, LLC - FL 46017   2024-03-02   
645-300 4 Keys FL   937C ONVOY, LLC - FL 46017   2024-04-05   
645-300 5 Keys FL   937C ONVOY, LLC - FL 46017   2024-04-05   
645-300 6 Keys FL   937C ONVOY, LLC - FL 46017   2024-04-05   
645-300 7 Keys FL   073H TELNYX LLC 46017   2024-05-10   
645-300 8 Keys FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46017   2024-04-25   
645-300 9 Keys FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46017   2024-04-25   

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

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