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: BLTNCAADPS2

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
951-823 5 Riverside CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2010-01-08   
951-870 4 Corona CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2006-12-21   
951-888 2 Riverside CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2011-04-17   
951-905 5 Riverside CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2001-01-23   
951-905 6 Riverside CA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-06-18   

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

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