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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-548 3 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-548 4 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-548 5 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-548 6 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-548 7 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-592 4 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-592 5 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-592 8 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-593 4 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-593 6 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-593 7 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-593 8 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-593 9 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-632 1 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-632 2 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-632 3 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-632 4 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-632 5 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-706 4 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-706 5 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-706 6 San Luis Obispo CA 321J HD CARRIER LLC 740      
805-706 7 San Luis Obispo CA 321J HD CARRIER LLC 740      
820-280 A Los Alamos CA 321J HD CARRIER LLC 740      
820-280 9 Los Alamos CA 321J HD CARRIER LLC 740      

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

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