Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 568G PEERLESS NETWORK OF MARYLAND, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-201 A Ridge MD   236      
240-201 9 Ridge MD   236      
240-204 8 Washington Zone 2 MD   236   2013-05-03   
240-204 9 Washington Zone 2 MD   236   2013-05-03   
240-208 A La Plata MD   236      
240-209 A Indian Head MD   236      
240-209 9 Indian Head MD   236      
240-213 A Waldorf MD   236      
240-213 9 Waldorf MD   236      
240-214 A Mechanicsville MD   236      
240-218 A Nanjemoy MD   236      
240-219 A Ridge MD   236      
240-219 0 Ridge MD   236   2014-11-13   
240-220 A Poolesville MD   236      
240-220 9 Poolesville MD   236      
240-224 8 Gaithersburg MD   236   2013-05-03   
240-224 9 Gaithersburg MD   236   2013-05-03   
240-241 1 Washington Zone 13 MD   236   2013-05-03   
240-241 9 Washington Zone 13 MD   236   2013-05-03   
240-248 A Ridge MD   236      
240-248 9 Ridge MD   236      
240-250 A Brandywine MD   236      
240-255 A Poolesville MD   236      
240-255 9 Poolesville MD   236      
240-266 A Washington Zone 14 MD   236      
240-266 0 Washington Zone 14 MD   236      
240-269 A Washington Zone 16 MD   236      
240-269 9 Washington Zone 16 MD   236      
240-282 A Mechanicsville MD   236      
240-304 3 Washington Zone 5 MD   236   2012-09-15   
240-318 1 Washington Zone 16 MD   236   2013-05-04   
240-318 9 Washington Zone 16 MD   236   2013-05-04   
240-331 A Washington Zone 3 MD   236      
240-331 0 Washington Zone 3 MD   236      
240-332 A Tompkinsville MD   236      
240-332 9 Tompkinsville MD   236      
240-352 A La Plata MD   236      
240-358 A Damascus MD   236      
240-358 5 Damascus MD   236      
240-358 9 Damascus MD   236      
240-359 A Indian Head MD   236      
240-359 9 Indian Head MD   236      
240-368 A Waldorf MD   236      
240-368 9 Waldorf MD   236      
240-371 A Washington Zone 12 MD   236      
240-371 0 Washington Zone 12 MD   236      
240-371 1 Washington Zone 12 MD   236      
240-371 9 Washington Zone 12 MD   236      
240-376 A Hughesville MD   236      
240-376 1 Hughesville MD   236      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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