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: SNFCCA21PSG

Remotes:

Switch Switch name Switch type
ANNPCA11RPA    RP 
BDBACA11RPA    RP 
BGVLCA11RPA    RP 
ELK CA11RPA    RP 
GULLCA11RPA    RP 
HYVLCA11RPA    RP 
LOLTCA11RPA    RP 
MKVLCA11RPA    RP 
MRNDCA11RPA    RP 
OKLYCA11RPA    RP 
PNARCA11RPA    RP 
PPWDCA11RPA    RP 
PSBGCA11RPA    RP 
RIDECA11RPA    RP 
RTPKCA11RPA    RP 
SNJSCA18RPA    RP 
SNMACA11RPA    RP 
SUISCA11RPA    RP 
TMLSCA12RPA    RP 
VYFRCA11RPA    RP 
WEOTCA11RPA    RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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