Local Calling Guide

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

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-255 A North Dade FL OJUSFLTLGT7  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2026-07-01   
645-255 0 North Dade FL   937C ONVOY, LLC - FL 46017   2026-07-24   
645-255 1 North Dade FL   937C ONVOY, LLC - FL 46017   2026-08-01   
645-255 2 North Dade FL   937C ONVOY, LLC - FL 46017   2026-08-31   
645-255 3 North Dade FL   937C ONVOY, LLC - FL 46017   2026-08-31   
645-255 4 North Dade FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-255 5 North Dade FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-255 6 North Dade FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-255 7 North Dade FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-255 8 North Dade FL OJUSFLTLGT7  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2026-07-01   
645-255 9 North Dade FL OJUSFLTLGT7  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2026-07-01   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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