Local Calling Guide

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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
240-688 9 Washington Zone 3 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-10-02   
240-689 A Washington Zone 15 MD VINNVACBX0X  425J CSC WIRELESS, LLC 236      
240-689 0 Washington Zone 15 MD   197D VONAGE NETWORK INC. 236   2020-05-20   
240-689 1 Washington Zone 15 MD   197D VONAGE NETWORK INC. 236   2020-05-20   
240-689 2 Washington Zone 15 MD   425J CSC WIRELESS, LLC 236   2019-07-19   
240-690 A Gaithersburg MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
240-690 0 Gaithersburg MD   073H TELNYX LLC 236   2017-03-14   
240-690 1 Gaithersburg MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2017-01-25   
240-690 2 Gaithersburg MD   876D ONVOY, LLC - MD 236   2018-06-14   
240-690 3 Gaithersburg MD   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-01-09   
240-690 4 Gaithersburg MD   318J COMCAST IP PHONE LLC 236   2017-03-10   
240-690 5 Gaithersburg MD   876D ONVOY, LLC - MD 236   2017-12-15   
240-690 6 Gaithersburg MD   876D ONVOY, LLC - MD 236   2017-12-15   
240-690 7 Gaithersburg MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-05-27   
240-690 8 Gaithersburg MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2019-08-28   
240-690 9 Gaithersburg MD   197D VONAGE NETWORK INC. 236   2018-12-24   
240-691 A Washington Zone 5 MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-691 0 Washington Zone 5 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-691 1 Washington Zone 5 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-691 2 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-05-16   
240-691 3 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-05-16   
240-691 4 Washington Zone 5 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-691 5 Washington Zone 5 MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-691 6 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-12-14   
240-691 7 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-12-14   
240-691 8 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-09-15   
240-691 9 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-02-15   
240-692 A Grantsville MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-692 0 Grantsville MD   073H TELNYX LLC 240   2021-03-04   
240-692 1 Grantsville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-07-21   
240-692 2 Grantsville MD   876D ONVOY, LLC - MD 240   2020-01-06   
240-692 3 Grantsville MD   876D ONVOY, LLC - MD 240   2020-01-06   
240-692 4 Grantsville MD   876D ONVOY, LLC - MD 240   2021-03-04   
240-692 6 Grantsville MD   566J RADIANTIQ LLC 240   2021-05-14   
240-693 A Walkersville MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-693 2 Walkersville MD   876D ONVOY, LLC - MD 240   2020-01-06   
240-693 3 Walkersville MD   876D ONVOY, LLC - MD 240   2020-01-06   
240-693 4 Walkersville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2020-12-19   
240-693 6 Walkersville MD   566J RADIANTIQ LLC 240   2021-05-14   
240-693 9 Walkersville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-11-25   
240-694 A Washington Zone 2 MD BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
240-694 0 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236      
240-694 1 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236      
240-694 2 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236      
240-694 3 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236      
240-694 4 Washington Zone 2 MD   9212 VERIZON MARYLAND, INC. 236      
240-694 5 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2005-11-21   
240-694 6 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-08-06   
240-694 7 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-08-06   
240-694 8 Washington Zone 2 MD   6664 SPRINT SPECTRUM L.P. 236   2004-09-13   

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

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