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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: HGTWMDHGDS0

Remotes:

Switch Switch name Switch type
CLSPMDCSRS0  CLEAR SPRING  5ER 
HGFLMDHFRS0  HIGHFIELD  5ER 
HNCCMDHNRS0  HANCOCK  5ER 
KDVLMDKVRS0  KEEDYSVILLE  5BR 
SMBGMDSMRS0  SMITHSBURG  5ER 
WLPTMDWPRS2  WILLIAMSPORT  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-313 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
240-420 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
240-527 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-393 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-665 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-714 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-733 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-739 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-745 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-766 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-790 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-791 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      
301-797 A Hagerstown MD 9212 VERIZON MARYLAND, INC. 240      

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

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