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: SNDGCA16DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-271 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-437 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-527 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-530 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-536 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-537 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-547 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-549 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-566 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-577 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-578 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-586 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-621 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-635 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-653 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-684 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-689 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-693 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-695 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      
858-831 A San Diego: Mira Mesa DA CA 9740 PACIFIC BELL 732      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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