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: GDISNENWDS0

Remotes:

Switch Switch name Switch type
ATLNNENWRS1  ATLANTA  RSC 
AXTLNENWRS1  AXTELL  RSC 
FRWLNENWRS1  FARWELL  RSC 
FUTNNENWRS1  FULLERTON  RSC 
SLCKNENWRS1  SILVER CREEK  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-381 A Grand Island NE 9631 QWEST CORPORATION 646      
308-382 A Grand Island NE 9631 QWEST CORPORATION 646      
308-384 A Grand Island NE 9631 QWEST CORPORATION 646      
308-385 A Grand Island NE 9631 QWEST CORPORATION 646      
308-389 A Grand Island NE 9631 QWEST CORPORATION 646      
308-395 A Grand Island NE 9631 QWEST CORPORATION 646      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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