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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 681 [Rate centres in NPA 681] [Dial plan for NPA 681]

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-556 A Parkersburg Zone 1 WV PRBGWVKTLMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 254   2025-01-07   
681-556 8 Parkersburg Zone 1 WV PRBGWVKTLMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 254   2025-01-07   
681-556 9 Parkersburg Zone 1 WV PRBGWVKTLMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 254   2025-01-07   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.