Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-620 A Greensboro AL MTGMALMT78Z  829J PAETEC ITEL, LLC 478      

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

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