Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-277 A Newport OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670      
458-277 0 Newport OR EUGNOR53XXX  073H TELNYX LLC 670   2022-05-01   
458-277 1 Newport OR EUGNOR53XUX  624H ONVOY SPECTRUM, LLC 670   2025-01-23   
458-277 2 Newport OR EUGNOR53XAY  516J TON80 COMMUNICATIONS, LLC 670   2022-04-21   
458-277 5 Newport OR EUGNOR53X1X  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 670   2024-09-12   
458-277 6 Newport OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670   2023-02-25   
458-277 7 Newport OR EUGNOR53ZMD  076F BANDWIDTH.COM CLEC, LLC - OR 670   2022-01-10   
458-277 8 Newport OR EUGNORAEGMD  6010 NEW CINGULAR WIRELESS PCS, LLC 670   2023-01-21   
458-277 9 Newport OR EUGNOR530MD  6529 T-MOBILE USA, INC. 670   2022-01-09   

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

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