Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-323 A Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 0 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 1 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 2 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 4 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 6 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 7 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-323 9 Laurel MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-339 6 Washington Zone 10 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2012-03-02   
301-361 A Washington Zone 4 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 A Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 0 Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 1 Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 4 Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 7 Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 8 Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-389 9 Washington Zone 13 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 A Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 0 Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 3 Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 4 Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 7 Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 8 Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-756 9 Washington Zone 14 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-836 4 Washington Zone 5 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-12-22   
301-968 8 Washington Zone 2 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2010-07-22   
301-981 A Washington Zone 5 MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
410-824 A Waterloo (Washington DC LATA) MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
410-824 7 Waterloo (Washington DC LATA) MD 7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
571-267 4 Herndon VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2012-09-03   
571-341 4 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2015-08-23   
571-526 2 Herndon VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2013-10-10   
571-599 3 Herndon VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2015-07-31   
571-612 4 Herndon VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2010-12-10   
703-225 7 Washington Zone 19 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2006-04-07   
703-230 8 Herndon VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2006-04-07   
703-265 A Washington Zone 19 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-386 A Washington Zone 19 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-386 2 Washington Zone 19 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-386 3 Washington Zone 19 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-386 8 Washington Zone 19 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-392 2 Manassas VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2014-08-27   
703-639 A Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 1 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 2 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 3 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 5 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 6 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 9 Washington Zone 17 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-650 A Washington Zone 8 VA 7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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