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: 915

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-915 A New Market MD CMLDMDCMUMD  073H TELNYX LLC 240      
240-915 0 New Market MD   073H TELNYX LLC 240   2017-08-08   
240-915 1 New Market MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-915 2 New Market MD   318J COMCAST IP PHONE, LLC 240   2017-03-10   
240-915 3 New Market MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-915 4 New Market MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-915 5 New Market MD   318J COMCAST IP PHONE, LLC 240   2021-03-08   
240-915 6 New Market MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-10-21   
240-915 7 New Market MD   508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-28   
240-915 8 New Market MD   876D ONVOY, LLC - MD 240   2016-10-02   

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

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