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
301-223 A Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 1 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 2 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 4 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 5 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 6 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 7 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 8 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-223 9 Williamsport MD 9212 VERIZON MARYLAND, INC. 240      
301-582 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 0 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 1 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 2 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 3 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 4 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 5 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 6 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 7 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-582 9 Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      

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

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