Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: RPCYSDCOFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-219 6 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-02-03   
605-307 0 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-03-27   
605-385 9 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-11-24   
605-388 7 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-11-24   
605-389 4 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-02-03   
605-389 5 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-02-03   
605-423 1 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-04-25   
605-423 2 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-04-25   
605-490 6 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-11-07   
605-499 0 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-06-17   
605-499 5 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-03-07   
605-503 2 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-503 3 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-508 A Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-12-27   
605-508 9 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-12-27   
605-510 0 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-510 2 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-608 7 Rapid City SD 5562 METROPCS, INC. 640   2021-05-08   
605-863 3 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2019-11-21   
605-872 A Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640      
605-872 8 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-03-27   
605-872 9 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2017-03-27   
605-905 6 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-11-07   
605-905 7 Sturgis SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-06-17   
605-909 3 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-07-18   
605-909 4 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-07-18   
605-909 5 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-03-27   
605-909 6 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-09-15   
605-909 7 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-06-23   
605-909 9 Hill City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-09-15   
605-974 A Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-04-24   
605-974 0 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-04-24   
605-974 1 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-10-27   
605-974 2 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-08-14   
605-974 3 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-08-14   
605-974 4 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-07-17   
605-974 5 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-07-17   
605-974 8 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-10-27   
605-974 9 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2025-04-24   
605-981 A Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640      
605-981 6 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2019-12-26   
605-981 7 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2019-12-26   
605-981 8 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2019-12-26   
605-981 9 Rapid City SD 6701 AERIAL COMMUNICATIONS, INC. 640   2019-12-26   

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

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