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: EKRGMDELDS0

Remotes:

Switch Switch name Switch type
EKRGMDPKRS0  ELKRIDGE PARKWAY  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-379 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-407 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-471 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-503 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-540 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-579 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-796 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
410-799 A Waterloo MD 9212 VERIZON MARYLAND, INC. 238      
443-445 A Elkridge MD 9212 VERIZON MARYLAND, INC. 238      
443-755 A Waterloo MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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