Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-476 A Sioux Falls SD SXFLSDPSFMD  700J WAVENATION, LLC 640   2025-10-04   
605-476 0 Sioux Falls SD SXFLSDPSFMD  700J WAVENATION, LLC 640   2025-10-04   
605-476 1 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2026-01-01   
605-476 3 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2026-05-04   
605-476 4 Sioux Falls SD SXFLSDPS7MD  321J HD CARRIER LLC 640   2026-02-14   
605-476 5 Sioux Falls SD SXFLSDPS7MD  321J HD CARRIER LLC 640   2026-02-14   
605-476 6 Sioux Falls SD SXFLSDPS7MD  321J HD CARRIER LLC 640   2026-02-14   
605-476 8 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2025-10-06   
605-476 9 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2025-10-06   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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