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
240-387 6 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-22   
240-387 7 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-22   
240-399 A Washington Zone 10 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-402 A Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-402 0 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 1 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 2 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 3 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 4 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 5 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 6 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 7 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 8 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-402 9 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-11-13   
240-404 A Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-404 0 Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-404 6 Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-404 7 Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-404 9 Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-408 7 Washington Zone 10 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-03-15   
240-427 A Waldorf MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-427 3 Waldorf MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-05-11   
240-427 4 Waldorf MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-05-11   
240-427 9 Waldorf MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-437 A Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-437 0 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-437 5 Ashton MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-448 2 Waldorf MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-11-17   
240-459 6 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-01   
240-489 A Poolesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-489 0 Poolesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-489 4 Poolesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-489 5 Poolesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-489 9 Poolesville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-510 A Washington Zone 15 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-510 0 Washington Zone 15 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-510 9 Washington Zone 15 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-518 6 Waldorf MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-02-21   
240-523 A La Plata MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-523 0 La Plata MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-523 5 La Plata MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2005-08-15   
240-523 9 La Plata MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-538 A Leonardtown MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-538 0 Leonardtown MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-538 9 Leonardtown MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-541 4 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2012-10-16   
240-548 1 Washington Zone 14 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-553 A Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-553 0 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-553 1 Washington Zone 13 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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