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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Switch: HGTNSDXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-885 A Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 0 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 1 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 2 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 3 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 4 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 5 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 6 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 8 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-885 9 Houghton SD 1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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