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: 226

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-226 A Oakland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-226 0 Oakland MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2020-09-14   
240-226 1 Oakland MD   876D ONVOY, LLC - MD 240   2020-09-13   
240-226 2 Oakland MD   876D ONVOY, LLC - MD 240   2020-09-13   
240-226 3 Oakland MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2020-10-28   
240-226 4 Oakland MD   876D ONVOY, LLC - MD 240   2023-06-16   
240-226 5 Oakland MD   876D ONVOY, LLC - MD 240   2021-04-02   
240-226 6 Oakland MD   876D ONVOY, LLC - MD 240   2021-04-02   
240-226 7 Oakland MD   876D ONVOY, LLC - MD 240   2021-07-11   
240-226 8 Oakland MD   624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-226 9 Oakland MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2021-02-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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