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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-489 A Poolesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-489 0 Poolesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      
240-489 1 Poolesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-28   
240-489 2 Poolesville MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-03-05   
240-489 3 Poolesville MD ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2005-07-25   
240-489 4 Poolesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236   2005-08-15   
240-489 5 Poolesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236   2005-08-15   
240-489 6 Poolesville MD WASHDCCZDS1  4773 XO MARYLAND, LLC 236   2005-08-15   
240-489 7 Poolesville MD WASHDCCZDS1  4773 XO MARYLAND, LLC 236   2005-08-15   
240-489 8 Poolesville MD WASHDCCZDS1  4773 XO MARYLAND, LLC 236   2005-08-15   
240-489 9 Poolesville MD WASHDCCZDS0  4773 XO MARYLAND, LLC 236      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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