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
240-228 A Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 0 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 1 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236   2002-06-25   
240-228 2 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236   2003-02-15   
240-228 3 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 4 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 5 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 6 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 7 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 8 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
240-228 9 Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236   2003-02-15   
240-294 2 Laurel MD 9212 VERIZON MARYLAND, INC. 236   2002-08-21   
240-295 2 Laurel MD 9212 VERIZON MARYLAND, INC. 236   2008-07-15   
240-456 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 0 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 2 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 3 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 4 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 5 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 6 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 7 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 8 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-456 9 Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-568 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
240-592 A Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
301-206 A Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
301-317 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-362 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-369 A Washington Zone 13 MD 9212 VERIZON MARYLAND, INC. 236      
301-376 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-377 5 Laurel MD 9212 VERIZON MARYLAND, INC. 236   2005-11-15   
301-377 7 Laurel MD 9212 VERIZON MARYLAND, INC. 236   2007-02-17   
301-470 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 1 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 2 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 3 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 4 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 5 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 6 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 7 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 8 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-470 9 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-483 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-490 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-497 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-498 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      
301-549 A Ashton MD 9212 VERIZON MARYLAND, INC. 236      
301-549 1 Ashton MD 9212 VERIZON MARYLAND, INC. 236      
301-549 3 Ashton MD 9212 VERIZON MARYLAND, INC. 236      
301-604 A Laurel MD 9212 VERIZON MARYLAND, INC. 236      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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