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: 827

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-827 A Lonaconing MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-827 2 Lonaconing MD   876D ONVOY, LLC - MD 240   2021-11-01   
240-827 3 Lonaconing MD   876D ONVOY, LLC - MD 240   2021-11-01   
240-827 4 Lonaconing MD   516J TON80 COMMUNICATIONS, LLC 240   2021-11-02   
240-827 5 Lonaconing MD   876D ONVOY, LLC - MD 240   2021-12-19   
240-827 6 Lonaconing MD   876D ONVOY, LLC - MD 240   2021-12-19   
240-827 7 Lonaconing MD   624H ONVOY SPECTRUM, LLC 240   2021-11-15   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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