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.

NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 461

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-461 A Imperial MCA3 MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 0 Imperial MCA3 MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 1 Imperial MCA3 MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 2 Imperial MCA3 MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 3 Imperial MCA3 MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 5 Imperial MCA3 MO   145J TERRA NOVA TELECOM INC. 520      
636-461 6 Imperial MCA3 MO STLSMOGZEMD  145J TERRA NOVA TELECOM INC. 520      
636-461 7 Imperial MCA3 MO   145J TERRA NOVA TELECOM INC. 520      
636-461 8 Imperial MCA3 MO   624H ONVOY SPECTRUM, LLC 520      
636-461 9 Imperial MCA3 MO STLSMOGZLMD  490J DISH WIRELESS, LLC 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.