Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 515J IP HORIZON LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
559-401 1 Avenal CA FRSNCA0102Z  728      
559-401 2 Avenal CA FRSNCA0102Z  728      
559-401 4 Avenal CA FRSNCA0102Z  728      
559-402 A Burrel CA FRSNCA0102Z  728      
559-402 1 Burrel CA FRSNCA0102Z  728      
559-402 2 Burrel CA FRSNCA0102Z  728      
559-402 4 Burrel CA   728   2022-10-20   
559-402 8 Burrel CA   728   2022-10-20   
559-402 9 Burrel CA   728   2022-10-20   
559-403 1 Caruthers CA FRSNCA0102Z  728      
559-403 2 Caruthers CA FRSNCA0102Z  728      
559-404 1 Coalinga CA FRSNCA0102Z  728      
559-404 2 Coalinga CA FRSNCA0102Z  728      
559-405 1 Del Rey CA FRSNCA0102Z  728      
559-405 2 Del Rey CA FRSNCA0102Z  728      
559-405 4 Del Rey CA FRSNCA0102Z  728      
559-406 1 Dinuba CA FRSNCA0102Z  728      
559-406 2 Dinuba CA FRSNCA0102Z  728      
559-407 A Firebaugh CA FRSNCA0102Z  728      
559-407 1 Firebaugh CA FRSNCA0102Z  728      
559-407 2 Firebaugh CA FRSNCA0102Z  728      
559-407 4 Firebaugh CA   728   2022-10-20   
559-407 7 Firebaugh CA   728   2022-10-20   
559-415 A Hanford CA FRSNCA0102Z  728      
559-415 1 Hanford CA FRSNCA0102Z  728      
559-415 2 Hanford CA FRSNCA0102Z  728      
559-415 4 Hanford CA FRSNCA0102Z  728      
559-418 A Huron CA FRSNCA0102Z  728      
559-418 1 Huron CA FRSNCA0102Z  728      
559-418 2 Huron CA FRSNCA0102Z  728      
559-418 8 Huron CA   728   2022-10-20   
559-419 A Kingsburg CA FRSNCA0102Z  728      
559-419 1 Kingsburg CA FRSNCA0102Z  728      
559-419 2 Kingsburg CA FRSNCA0102Z  728      
559-422 1 Laton CA FRSNCA0102Z  728      
559-422 2 Laton CA FRSNCA0102Z  728      
559-422 4 Laton CA   728   2022-10-20   
559-423 A Lemoore CA FRSNCA0102Z  728      
559-423 1 Lemoore CA FRSNCA0102Z  728      
559-423 2 Lemoore CA FRSNCA0102Z  728      
559-424 1 Mendota CA FRSNCA0102Z  728      
559-424 2 Mendota CA FRSNCA0102Z  728      
559-425 1 Orange Cove CA FRSNCA0102Z  728      
559-425 2 Orange Cove CA FRSNCA0102Z  728      
559-426 1 Parlier CA FRSNCA0102Z  728      
559-426 2 Parlier CA FRSNCA0102Z  728      
559-427 1 Pixley CA FRSNCA0102Z  728      
559-427 2 Pixley CA FRSNCA0102Z  728      
559-427 4 Pixley CA   728   2022-10-20   
559-427 7 Pixley CA   728   2022-10-20   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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