Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-912 A Salisbury MD   829J PAETEC ITEL, LLC 242   2025-04-01   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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