Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 864

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-864 A Washington Zone 10 MD   829J PAETEC ITEL, LLC 236   2025-04-02   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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