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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Switch: STPNMDSPRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-348 A Still Pond MD 9212 VERIZON MARYLAND, INC. 242      
410-348 2 Still Pond MD 9212 VERIZON MARYLAND, INC. 242      
410-348 5 Still Pond MD 9212 VERIZON MARYLAND, INC. 242      
410-348 9 Still Pond MD 9212 VERIZON MARYLAND, INC. 242      

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

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