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: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-745 A Damascus MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-745 0 Damascus MD   4773 XO MARYLAND, LLC 236      
240-745 1 Damascus MD   2589 US LEC OF MARYLAND, INC. 236   2004-02-05   
240-745 2 Damascus MD   318J COMCAST IP PHONE LLC 236   2013-05-30   
240-745 3 Damascus MD   4773 XO MARYLAND, LLC 236      
240-745 4 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-16   
240-745 5 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-745 6 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-08-10   
240-745 7 Damascus MD   876D ONVOY, LLC - MD 236   2015-06-27   
240-745 8 Damascus MD   082H LOCAL ACCESS LLC - MD 236   2015-03-21   
240-745 9 Damascus MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-29   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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