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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-746 A Brandywine MD WASHDCSWDS8  7421 AT&T LOCAL 236   2021-02-04   
240-746 4 Brandywine MD   624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-746 6 Brandywine MD   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 7 Brandywine MD   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 8 Brandywine MD   876D ONVOY, LLC - MD 236   2021-04-02   
240-746 9 Brandywine MD WASHDCSWDS8  7421 AT&T LOCAL 236   2021-02-04   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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