Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-553 9 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 A Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 0 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 1 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 2 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 3 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 4 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 8 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-554 9 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-559 A Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-559 0 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-559 1 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-559 2 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-559 3 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-559 9 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-560 A Washington Zone 12 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-560 0 Washington Zone 12 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-560 9 Washington Zone 12 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-583 2 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-06-12   
240-595 6 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-19   
240-620 A Washington Zone 10 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-620 0 Washington Zone 10 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-644 A Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-644 0 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-644 1 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-644 6 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-645 A Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-645 0 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-645 1 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-645 4 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-652 A Mechanicsville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-652 1 Mechanicsville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-652 4 Mechanicsville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-652 5 Mechanicsville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-652 6 Mechanicsville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-668 2 Damascus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-11-24   
240-668 3 Damascus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-11-24   
240-705 7 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-08-22   
240-709 3 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2020-04-10   
240-718 A Lexington Park-Great Mills MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-718 7 Lexington Park-Great Mills MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-745 A Damascus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-745 0 Damascus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-745 3 Damascus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-764 A Washington Zone 4 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-764 0 Washington Zone 4 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-764 1 Washington Zone 4 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-764 2 Washington Zone 4 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-764 3 Washington Zone 4 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-765 A Washington Zone 5 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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