Local Calling Guide

Area code/prefix search

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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-579 2 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-10-22   
240-579 3 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2019-01-12   
240-579 4 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-04-20   
240-579 5 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-04-20   
240-579 6 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-04-16   
240-579 7 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-04-16   
240-579 8 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-03-12   
240-579 9 Ashton MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-03-12   
240-580 A Cumberland MD CMLDMDCM4MD  6664 SPRINT SPECTRUM L.P. 240      
240-580 0 Cumberland MD   6664 SPRINT SPECTRUM L.P. 240      
240-580 1 Cumberland MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-580 2 Cumberland MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-580 3 Cumberland MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   
240-580 4 Cumberland MD   6664 SPRINT SPECTRUM L.P. 240   2005-12-22   
240-580 5 Cumberland MD   6664 SPRINT SPECTRUM L.P. 240   2005-03-01   
240-580 6 Cumberland MD   6664 SPRINT SPECTRUM L.P. 240      
240-580 7 Cumberland MD   6664 SPRINT SPECTRUM L.P. 240      
240-580 8 Cumberland MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-02-22   
240-580 9 Cumberland MD   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-09-04   
240-581 A Laurel MD WASHDCSWXCY  4989 PAETEC COMMUNICATIONS, INC. - DC 236      
240-581 0 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-12-03   
240-581 1 Laurel MD   4989 PAETEC COMMUNICATIONS, INC. - DC 236      
240-581 2 Laurel MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-581 3 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-07-03   
240-581 4 Laurel MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-08-01   
240-581 5 Laurel MD   2589 US LEC OF MARYLAND, INC. 236   2009-06-12   
240-581 6 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2008-07-21   
240-581 7 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2008-07-21   
240-581 8 Laurel MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2009-08-13   
240-581 9 Laurel MD   4989 PAETEC COMMUNICATIONS, INC. - DC 236      
240-582 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
240-582 0 Washington Zone 4 MD   9212 VERIZON MARYLAND, INC. 236      
240-582 1 Washington Zone 4 MD   281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-582 2 Washington Zone 4 MD   9212 VERIZON MARYLAND, INC. 236      
240-582 3 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236   2010-04-29   
240-582 4 Washington Zone 4 MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-582 5 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2012-10-07   
240-582 6 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2006-10-06   
240-582 7 Washington Zone 4 MD   318J COMCAST IP PHONE LLC 236   2006-10-06   
240-582 8 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236   2007-03-26   
240-582 9 Washington Zone 4 MD   4773 XO MARYLAND, LLC 236   2007-03-26   
240-583 A Laurel MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
240-583 0 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-14   
240-583 1 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
240-583 2 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 3 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 4 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 5 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 6 Laurel MD   9212 VERIZON MARYLAND, INC. 236   2010-06-12   
240-583 7 Laurel MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   

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

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