Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-640 A Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-640 0 Hudson CO DNVRCO26XIX  073H TELNYX LLC 656      
720-640 1 Hudson CO DNVRCO26XIX  073H TELNYX LLC 656      
720-640 2 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-640 3 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-640 4 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-640 5 Hudson CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-640 6 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-640 7 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-640 8 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-640 9 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      

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

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