Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 8782 ALLEGIANCE TELECOM, INC. - CA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-405 9 Concord CA   722      
925-406 A Danville CA SNFECAEJDS0  722      
925-406 0 Danville CA   722      
925-406 1 Danville CA   722      
925-406 8 Danville CA   722      
925-407 A Walnut Creek CA SNFECAEJDS0  722      
925-407 0 Walnut Creek CA   722      
925-407 1 Walnut Creek CA   722      
925-407 2 Walnut Creek CA   722      
925-407 3 Walnut Creek CA   722      
925-407 8 Walnut Creek CA   722      
925-407 9 Walnut Creek CA   722      
925-522 2 Antioch CA   722   2001-12-31   
925-579 A Livermore CA SNFECAEJDS0  722      
925-579 0 Livermore CA   722      
925-579 5 Livermore CA   722      
925-579 6 Livermore CA   722      
925-579 7 Livermore CA   722      
925-579 8 Livermore CA   722      
925-579 9 Livermore CA   722      
925-978 5 Antioch CA   722   2006-12-21   
949-296 A Irvine CA LSANCA54DS0  730      
949-296 0 Irvine CA   730      
949-296 1 Irvine CA   730      
949-296 2 Irvine CA   730      
949-296 7 Irvine CA   730      
949-296 8 Irvine CA   730      
949-296 9 Irvine CA   730      
949-325 A Capistrano Valley CA LSANCA54DS0  730      
949-325 0 Capistrano Valley CA   730      
949-325 1 Capistrano Valley CA   730      
949-326 A Rancho Viejo CA LSANCA54DS0  730      
949-326 0 Rancho Viejo CA   730      
949-329 A Trabuco CA LSANCA54DS0  730      
949-329 0 Trabuco CA   730      
949-329 1 Trabuco CA   730      
949-334 A Saddleback Valley CA LSANCA54DS0  730      
949-334 0 Saddleback Valley CA   730      
949-334 1 Saddleback Valley CA   730      
949-334 3 Saddleback Valley CA   730      
949-334 4 Saddleback Valley CA   730      
949-334 6 Saddleback Valley CA   730      
949-334 9 Saddleback Valley CA   730      
949-335 A Newport Beach CA LSANCA54DS0  730      
949-335 0 Newport Beach CA   730      
949-335 1 Newport Beach CA   730      
949-335 3 Newport Beach CA   730      
949-335 4 Newport Beach CA   730      
949-335 6 Newport Beach CA   730      
949-335 9 Newport Beach CA   730      

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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