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: 864

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-864 A Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656      
720-864 0 Longmont CO   026D ONVOY, LLC - CO 656   2006-01-29   
720-864 1 Longmont CO   026D ONVOY, LLC - CO 656   2006-01-29   
720-864 2 Longmont CO   026D ONVOY, LLC - CO 656   2006-07-07   
720-864 3 Longmont CO   9636 QWEST CORPORATION 656   2002-09-10   
720-864 4 Longmont CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-12-20   
720-864 5 Longmont CO   9636 QWEST CORPORATION 656   2002-09-30   
720-864 6 Longmont CO   9636 QWEST CORPORATION 656   2002-09-30   
720-864 7 Longmont CO   9636 QWEST CORPORATION 656   2002-09-30   
720-864 8 Longmont CO   026D ONVOY, LLC - CO 656   2006-06-19   
720-864 9 Longmont CO   026D ONVOY, LLC - CO 656   2006-06-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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