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: 598

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-598 A Huntington Zone 1 WV PRBGWVKTLMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-04-16   
681-598 0 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 1 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 2 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 3 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 4 Huntington Zone 1 WV HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254   2026-06-04   
681-598 5 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 6 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 7 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 8 Huntington Zone 1 WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-09-25   
681-598 9 Huntington Zone 1 WV PRBGWVKTLMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2026-04-16   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.