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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Switch: SNDGCA0261Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-204 7 Vista CA 321J HD CARRIER LLC 732      
442-204 8 Vista CA 321J HD CARRIER LLC 732      
442-204 9 Vista CA 321J HD CARRIER LLC 732      
619-505 5 National City CA 321J HD CARRIER LLC 732      
619-505 6 National City CA 321J HD CARRIER LLC 732      
619-505 7 National City CA 321J HD CARRIER LLC 732      
619-505 8 National City CA 321J HD CARRIER LLC 732      
858-276 2 San Diego: Linda Vista DA CA 321J HD CARRIER LLC 732      
858-276 3 San Diego: Linda Vista DA CA 321J HD CARRIER LLC 732      
858-276 4 San Diego: Linda Vista DA CA 321J HD CARRIER LLC 732      
858-276 5 San Diego: Linda Vista DA CA 321J HD CARRIER LLC 732      
858-276 6 San Diego: Linda Vista DA CA 321J HD CARRIER LLC 732      
858-868 A San Diego: San Diego DA CA 321J HD CARRIER LLC 732      
858-868 9 San Diego: San Diego DA CA 321J HD CARRIER LLC 732      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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