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
301-251 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-279 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-294 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 0 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 1 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 2 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 3 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 4 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 5 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 6 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 8 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-309 9 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-315 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-340 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-398 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-398 0 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 1 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 2 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 3 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 4 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 5 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-398 6 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2003-11-09   
301-424 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-444 4 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236   2007-02-06   
301-517 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 0 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 1 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 2 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 3 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 4 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 5 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-517 8 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-544 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 0 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 1 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 4 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 5 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 6 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 7 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 8 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-545 9 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 A Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 0 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 1 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 2 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 4 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 5 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      
301-610 6 Washington Zone 10 MD 9212 VERIZON MARYLAND, INC. 236      

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

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