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: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-450 A Springfield MO SPFDMOTLXJX  551G NUSO, LLC 522      
417-450 0 Springfield MO SPFDMOTLX7X  6701 AERIAL COMMUNICATIONS, INC. 522   2013-10-28   
417-450 1 Springfield MO SPFDMOTLXJX  551G NUSO, LLC 522   2013-05-18   
417-450 2 Springfield MO SPFDMOTLX7X  6701 AERIAL COMMUNICATIONS, INC. 522   2013-10-28   
417-450 3 Springfield MO SPFDMOPYAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 522   2014-08-16   
417-450 4 Springfield MO SPFDMODL5MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522   2014-08-12   
417-450 5 Springfield MO SPFDMOPYAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 522   2014-08-16   
417-450 6 Springfield MO SPFDMOTLXLX  6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 522   2013-08-15   
417-450 7 Springfield MO SPFDMOPYAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 522   2014-08-17   
417-450 8 Springfield MO SPFDMOTLX7X  6701 AERIAL COMMUNICATIONS, INC. 522   2014-10-07   
417-450 9 Springfield MO SPFDMOTLX7X  6701 AERIAL COMMUNICATIONS, INC. 522   2014-10-07   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.