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: GRTWDEGRDS0

Remotes:

Switch Switch name Switch type
ANGLDEANRS0  ANGOLA  ORM 
DGBODEDGRS0  DAGSBORO  5ER 
GMBODEGBRS1  GUMBORO  ORM 
MLBODEMBRS0  MILLSBORO  ORM 
MLTNDEMLRS0  MILTON  ORM 
SLVLDESVRS0  SELBYVILLE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-515 A Georgetown DE 9210 VERIZON DELAWARE, INC. 228      
302-853 A Georgetown DE 9210 VERIZON DELAWARE, INC. 228      
302-854 A Georgetown DE 9210 VERIZON DELAWARE, INC. 228      
302-855 A Georgetown DE 9210 VERIZON DELAWARE, INC. 228      
302-856 A Georgetown DE 9210 VERIZON DELAWARE, INC. 228      
302-858 A Georgetown DE 9210 VERIZON DELAWARE, INC. 228      

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

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