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

NXX: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-520 A Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 0 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 1 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 2 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 3 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 4 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 5 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 6 Springfield MO SPFDMOPYAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 522   2010-05-30   
417-520 7 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 8 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      
417-520 9 Springfield MO SPFDMOPYDS0  7594 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 522      

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

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