Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 4773 XO MARYLAND, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-823 2 Brandywine MD   236   2005-08-14   
240-823 3 Brandywine MD   236   2005-08-14   
240-823 6 Brandywine MD   236      
240-823 9 Brandywine MD   236   2005-08-14   
240-833 A Washington Zone 11 MD WASHDCCZDS0  236      
240-833 0 Washington Zone 11 MD   236      
240-833 1 Washington Zone 11 MD   236      
240-833 4 Washington Zone 11 MD   236      
240-837 A Hughesville MD WASHDCCZDS0  236      
240-837 0 Hughesville MD   236      
240-837 1 Hughesville MD   236   2011-05-21   
240-837 7 Hughesville MD   236      
240-841 A Laurel (Baltimore LATA) MD BLTMMDSN5MD  238      
240-841 0 Laurel (Baltimore LATA) MD   238      
240-841 2 Laurel (Baltimore LATA) MD   238      
240-842 A Washington Zone 14 (Baltimore LATA) MD BLTMMDSN5MD  238      
240-842 0 Washington Zone 14 (Baltimore LATA) MD   238      
240-842 1 Washington Zone 14 (Baltimore LATA) MD   238      
240-842 9 Washington Zone 14 (Baltimore LATA) MD   238      
240-843 A Washington Zone 13 (Baltimore LATA) MD BLTMMDSN5MD  238      
240-843 4 Washington Zone 13 (Baltimore LATA) MD   238      
240-844 A Ridge MD WASHDCCZDS0  236      
240-844 0 Ridge MD   236      
240-844 4 Ridge MD   236      
240-844 5 Ridge MD   236   2005-08-15   
240-844 6 Ridge MD   236   2005-08-15   
240-844 7 Ridge MD   236   2005-08-15   
240-844 8 Ridge MD   236   2005-08-15   
240-845 A Washington Zone 13 MD WASHDCCZDS0  236      
240-845 0 Washington Zone 13 MD   236      
240-845 1 Washington Zone 13 MD   236      
240-845 5 Washington Zone 13 MD   236      
240-846 A Washington Zone 16 MD WASHDCCZDS0  236      
240-846 0 Washington Zone 16 MD   236      
240-846 1 Washington Zone 16 MD   236      
240-846 6 Washington Zone 16 MD   236      
240-986 A Nanjemoy MD WASHDCCZDS0  236      
240-986 0 Nanjemoy MD   236      
240-986 5 Nanjemoy MD   236   2005-08-15   
240-986 6 Nanjemoy MD   236   2005-08-15   
240-986 7 Nanjemoy MD   236      
240-986 8 Nanjemoy MD   236   2005-08-15   
240-986 9 Nanjemoy MD   236   2005-08-15   
240-993 A Indian Head MD WASHDCCZDS0  236      
240-993 0 Indian Head MD   236      
240-993 2 Indian Head MD   236   2005-08-15   
240-993 3 Indian Head MD   236   2005-08-15   
240-993 5 Indian Head MD   236      
240-993 7 Indian Head MD   236   2005-08-15   
240-993 8 Indian Head MD   236   2005-08-15   

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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