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: 616

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-616 A Washington Zone 13 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-616 0 Washington Zone 13 MD   082H LOCAL ACCESS LLC - MD 236   2013-09-06   
240-616 1 Washington Zone 13 MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-12-01   
240-616 2 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2017-07-12   
240-616 3 Washington Zone 13 MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-616 4 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2012-10-07   
240-616 5 Washington Zone 13 MD   5562 METROPCS, INC. 236   2015-01-03   
240-616 6 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2021-02-18   
240-616 7 Washington Zone 13 MD   508J CENTURYLINK COMMUNICATIONS LLC 236   2013-10-01   
240-616 8 Washington Zone 13 MD   5562 METROPCS, INC. 236   2015-01-03   
240-616 9 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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