Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-456 A Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
331-456 0 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 1 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 2 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 3 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 4 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 5 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 6 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 7 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 8 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   
331-456 9 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-01-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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