Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 708

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-708 A Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-16   
571-708 6 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-16   
571-708 7 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-16   
571-708 8 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-16   
571-708 9 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2025-01-16   

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

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