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: AURRCO20AMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-425 0 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
720-425 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
720-425 2 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
720-425 3 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-28   
720-425 4 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-28   
720-425 5 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-28   
720-425 6 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-11   
720-425 7 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-09-22   
720-425 8 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-09-29   
720-425 9 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-11   
720-428 0 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-13   
720-428 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-13   
720-428 9 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-13   
720-430 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-06   
720-430 2 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-06   
720-430 4 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-27   
720-430 5 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-27   
720-430 6 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-06   
720-437 A Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-437 0 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-25   
720-437 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-04-09   
720-438 0 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-08-31   
720-438 5 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-20   
720-438 9 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-09-15   
720-440 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-16   
720-440 3 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-04-05   
720-440 4 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-04-05   
720-441 7 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-01   
720-441 8 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-15   
720-441 9 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-15   
720-442 1 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-06   
720-442 3 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-23   
720-442 4 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-28   
720-442 5 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-08   
720-442 6 Longmont CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-07   
720-445 A Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-445 0 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-11-13   
720-445 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-11-13   
720-445 2 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-11-13   
720-446 7 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2024-12-14   
720-448 3 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-11   
720-448 4 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-29   
720-448 5 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-29   
720-448 6 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-29   
720-450 0 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-450 1 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-450 2 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-450 4 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-450 5 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-450 6 Denver CO 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.