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: LNMTCOMADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-485 A Longmont CO 9636 QWEST CORPORATION 656      
303-651 A Longmont CO 9636 QWEST CORPORATION 656      
303-678 A Longmont CO 9636 QWEST CORPORATION 656      
303-682 A Longmont CO 9636 QWEST CORPORATION 656      
303-684 A Longmont CO 9636 QWEST CORPORATION 656      
303-702 A Longmont CO 9636 QWEST CORPORATION 656      
303-772 A Longmont CO 9636 QWEST CORPORATION 656      
303-774 A Longmont CO 9636 QWEST CORPORATION 656      
303-776 A Longmont CO 9636 QWEST CORPORATION 656      
720-494 A Longmont CO 9636 QWEST CORPORATION 656      
720-652 A Longmont CO 9636 QWEST CORPORATION 656      
720-718 A Longmont CO 9636 QWEST CORPORATION 656      
720-718 0 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 1 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 2 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 3 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 4 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 5 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 6 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 7 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 8 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-718 9 Longmont CO 9636 QWEST CORPORATION 656   2017-01-18   
720-864 A Longmont CO 9636 QWEST CORPORATION 656      
720-864 3 Longmont CO 9636 QWEST CORPORATION 656   2002-09-10   
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   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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