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: BOWIMDBODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-262 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-352 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-390 6 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-464 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-805 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 0 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 1 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 2 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 3 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 4 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 5 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 6 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 8 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-809 9 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 A Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 0 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 1 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 3 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 4 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 5 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      
301-860 6 Washington Zone 14 MD 9212 VERIZON MARYLAND, INC. 236      

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

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