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: NWMRMDNERS3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-607 6 Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-798 A Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-798 0 Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-831 A Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-831 2 Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-831 3 Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-831 6 Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-831 9 Damascus (Hagerstown LATA) MD 9212 VERIZON MARYLAND, INC. 240      
301-865 A New Market MD 9212 VERIZON MARYLAND, INC. 240      

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

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