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: ROSMCA11DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
626-280 A Alhambra CA 9740 PACIFIC BELL 730      
626-288 A Alhambra CA 9740 PACIFIC BELL 730      
626-302 A Alhambra CA 9740 PACIFIC BELL 730      
626-307 A Alhambra CA 9740 PACIFIC BELL 730      
626-312 A Alhambra CA 9740 PACIFIC BELL 730      
626-569 A Alhambra CA 9740 PACIFIC BELL 730      
626-571 A Alhambra CA 9740 PACIFIC BELL 730      
626-572 A Alhambra CA 9740 PACIFIC BELL 730      
626-573 A Alhambra CA 9740 PACIFIC BELL 730      
626-692 A Alhambra CA 9740 PACIFIC BELL 730      
626-927 A Alhambra CA 9740 PACIFIC BELL 730      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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