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: MARNVAXADS0

Remotes:

Switch Switch name Switch type
CHLHVAXARS0  CHILHOWIE  5ER 
RCVYVAXARS0  RICH VALLEY  5ER 
SGGVVAXARS0  SUGAR GROVE  5ER 
SLVLVAXARS0  SALTVILLE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-781 A Marion VA 4511 UNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA 956      
276-782 A Marion VA 4511 UNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA 956      
276-783 A Marion VA 4511 UNITED TELEPHONE-SOUTHEAST-VA DBA CENTURYLINK-VA 956      

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

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