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: SVNHMOXADS1

Remotes:

Switch Switch name Switch type
AMZNMOXARS1  AMAZONIA  4RS 
AVCYMOXARS1  AVENUE CITY  4RS 
BLCKMOXARS1  BOLCKOW  4RS 
CSBYMOXARS1  COSBY  4RS 
CSDLMOXARS1  CLARKSDALE  4RS 
FLMRMOXARS1  FILLMORE  4RS 
HLNAMOXARS1  HELENA  4RS 
RODLMOXARS1  ROSENDALE  4RS 
WHVLMOXARS1  WHITESVILLE  4RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-324 A Savannah MO 1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.