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.
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Switch: MXVLMO60DSA

Remotes:

Switch Switch name Switch type
HGRGMO57RS2  HOUSE SPRINGS  5ER 
IMPRMO58RS2  IMPERIAL  EXM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-282 A Maxville MCA3 MO 9533 SOUTHWESTERN BELL 520      
636-287 A Maxville MO 9533 SOUTHWESTERN BELL 520      
636-296 A Maxville MCA3 MO 9533 SOUTHWESTERN BELL 520      

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

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