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: SNDICAETDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-935 A San Diego: Mira Mesa DA CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-935 1 San Diego: Mira Mesa DA CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-946 A Rancho Bernardo CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-946 0 Rancho Bernardo CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-946 1 Rancho Bernardo CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-946 2 Rancho Bernardo CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-946 6 Rancho Bernardo CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-946 7 Rancho Bernardo CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732      
858-947 5 Del Mar CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2006-04-07   
858-947 7 Del Mar CA 7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2007-04-18   

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

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