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: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
305-503 A Miami FL MIAMFLGRY1X  829J PAETEC ITEL, LLC 46017   2025-01-28   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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