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: 870

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-870 A Leesburg VA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 246   2026-09-29   
571-870 0 Leesburg VA   138E ONVOY, LLC - VA 246   2026-09-30   
571-870 1 Leesburg VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2026-10-20   
571-870 2 Leesburg VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2026-10-20   
571-870 3 Leesburg VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2026-10-20   
571-870 4 Leesburg VA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 246   2026-09-29   
571-870 8 Leesburg VA   138E ONVOY, LLC - VA 246   2026-09-30   
571-870 9 Leesburg VA   138E ONVOY, LLC - VA 246   2026-09-30   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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