Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-285 A Ballard VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244      
540-285 0 Ballard VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244      
540-285 1 Ballard VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2022-01-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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