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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 2319 FRONTIER CALIFORNIA INC.

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date
562-401 9 Downey CA   730    
562-402 A Norwalk CA ARTSCAXF86S  730    
562-403 A Norwalk CA ARTSCAXF86S  730    
562-404 A Norwalk CA NRWLCAXGDS0  730    
562-406 A Norwalk CA NRWLCAXF92S  730    
562-406 0 Norwalk CA   730    
562-406 1 Norwalk CA   730    
562-406 2 Norwalk CA   730    
562-406 3 Norwalk CA   730    
562-406 5 Norwalk CA   730    
562-406 6 Norwalk CA   730    
562-406 7 Norwalk CA   730    
562-406 8 Norwalk CA   730    
562-406 9 Norwalk CA   730    
562-407 A Norwalk CA NRWLCAXGDS0  730    
562-407 0 Norwalk CA   730    
562-407 1 Norwalk CA   730    
562-407 2 Norwalk CA   730    
562-407 3 Norwalk CA   730    
562-407 5 Norwalk CA   730    
562-407 6 Norwalk CA   730    
562-407 7 Norwalk CA   730    
562-407 8 Norwalk CA   730    
562-407 9 Norwalk CA   730    
562-409 A Norwalk CA NRWLCAXF92S  730    
562-409 0 Norwalk CA   730    
562-409 1 Norwalk CA   730    
562-409 2 Norwalk CA   730    
562-409 3 Norwalk CA   730    
562-409 6 Norwalk CA   730    
562-409 7 Norwalk CA   730    
562-409 8 Norwalk CA   730    
562-409 9 Norwalk CA   730    
562-420 A Lakewood CA LNBHCAXSDS0  730    
562-421 A Lakewood CA LNBHCAXSDS0  730    
562-422 A Long Beach CA LNBHCAXH42P  730    
562-423 A Long Beach CA LNBHCAXH42P  730    
562-424 A Long Beach CA LNBHCAXGDS0  730    
562-425 A Lakewood CA LNBHCAXSDS0  730    
562-426 A Long Beach CA LNBHCAXGDS0  730    
562-427 A Long Beach CA LNBHCAXGDS0  730    
562-428 A Long Beach CA LNBHCAXH42P  730    
562-429 A Lakewood CA LNBHCAXSDS0  730    
562-430 A Alamitos CA SLBHCAXF43J  730    
562-431 A Alamitos CA SLBHCAXF43J  730    
562-432 A Long Beach CA LNBHCAXFDS0  730    
562-433 A Alamitos CA LNBHCAXT43K  730    
562-434 A Alamitos CA LNBHCAXT43K  730    
562-435 A Long Beach CA LNBHCAXFDS0  730    
562-436 A Long Beach CA LNBHCAXFDS0  730    

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

Last updated: Thu, 19 Jul 2018 01:19:47 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.