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: BRWKMDBRRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-834 A Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 3 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 4 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 5 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 6 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 7 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 8 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      
301-834 9 Brunswick MD 9212 VERIZON MARYLAND, INC. 240      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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