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: NRFLNENWDS0

Remotes:

Switch Switch name Switch type
HMPHNENWRS2  HUMPHREY CRESTON  RSC 
LARLNENWRS2  LAUREL  RSC 
PLGRNENWRS4  PILGER  RSC 
RNDHNENWRS1  RANDOLPH  RSC 
WAYNNEUWRS1  WAYNE  RSC 
WKFDNENWRS2  WAKEFIELD  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-370 A Norfolk NE 9631 QWEST CORPORATION 644      
402-371 A Norfolk NE 9631 QWEST CORPORATION 644      
402-379 A Norfolk NE 9631 QWEST CORPORATION 644      
402-622 A Norfolk NE 9631 QWEST CORPORATION 644      
402-644 A Norfolk NE 9631 QWEST CORPORATION 644      
402-844 A Norfolk NE 9631 QWEST CORPORATION 644      

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

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