Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46017   2026-07-01   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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