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: HRNGNCXADS0

Remotes:

Switch Switch name Switch type
ABBGNCXARS0  ABBOTTS  G5 
COHRNCXARS0  COHARIE  G5 
LSBNNCXARS0  LISBON  G5 
SXRNNCXARS0  SIX RUN  G5 
WHOKNCXARS0  WHITE OAK (TWP) (BLADEN)  G5 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
910-564 A Herring NC 0502 STAR TEL. MEMBERSHIP CORP. 949      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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