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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-689 A Washington Zone 15 MD   425J CSC WIRELESS, LLC 236   2019-07-19   
240-689 0 Washington Zone 15 MD   197D VONAGE NETWORK INC. 236   2020-05-20   
240-689 1 Washington Zone 15 MD   197D VONAGE NETWORK INC. 236   2020-05-20   
240-689 2 Washington Zone 15 MD   425J CSC WIRELESS, LLC 236   2019-07-19   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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