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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-429 A Worthington MD 9212 VERIZON MARYLAND, INC. 238      
410-429 4 Worthington MD 9212 VERIZON MARYLAND, INC. 238      
410-429 5 Worthington MD 9212 VERIZON MARYLAND, INC. 238      
410-517 A Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-517 0 Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-517 1 Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-517 2 Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-517 3 Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-517 5 Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-517 8 Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-526 A Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-833 A Reisterstown MD 9212 VERIZON MARYLAND, INC. 238      
410-861 A Westminster MD 9212 VERIZON MARYLAND, INC. 238      
410-861 8 Westminster MD 9212 VERIZON MARYLAND, INC. 238      
410-861 9 Westminster MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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