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: GRDNCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-225 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-243 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-303 A Redondo CA 7480 PACIFIC BELL - CLEC 730      
310-323 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-352 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-353 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-354 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-366 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-380 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-523 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-630 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-660 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-719 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-767 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-768 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-769 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-771 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-808 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-817 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
310-851 A Compton: Gardena DA CA 9740 PACIFIC BELL 730      
323-321 A Los Angeles: DA 09 CA 9740 PACIFIC BELL 730      
562-256 A Long Beach CA 7480 PACIFIC BELL - CLEC 730      
562-661 A Long Beach CA 7480 PACIFIC BELL - CLEC 730   2008-10-18   

Last updated: Sat, 08 Jun 2019 01:52:21 UTC

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