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: GBBNNEXSDS1

Remotes:

Switch Switch name Switch type
ASTNNERBRS1  ASHTON  RSC 
BOLSNERBRS1  BOELUS  RSC 
DBRGNERCRS1  DANNEBROG  RSC 
ELBANERBRS1  ELBA  RSC 
LTFDNERBRS1  LITCHFIELD  RSC 
RKVLNERCRS1  ROCKVILLE  RSC 
RVNNNERERS2  RAVENNA  RS 
SHTNNEXSRS1  SHELTON  DCO 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-468 A Gibbon NE 1574 NEBRASKA CENTRAL TEL. CO. 646      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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