Local Calling Guide
Area code/prefix search
NPA: 605
[Rate centres in NPA 605]
[Dial plan for NPA 605]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 605-924
| 7 |
Milbank |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2012-01-30 |
|
| 605-924
| 8 |
Milbank |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2019-11-07 |
|
| 605-924
| 9 |
Milbank |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2021-02-12 |
|
| 605-925
| A |
Freeman |
SD |
FRMNSDXADS0 |
1686 VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS |
640 |
|
|
|
| 605-926
| A |
Mobridge |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-926
| 9 |
Mobridge |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2010-12-20 |
|
| 605-927
| A |
Sisseton |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-927
| 9 |
Sisseton |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2010-12-20 |
|
| 605-928
| A |
Parkston |
SD |
WNSCSDXADS0 |
1676 SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD |
640 |
|
|
|
| 605-929
| A |
Sioux Falls |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-930
| A |
Volga |
SD |
SXFLSDCOLMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
640 |
|
|
|
| 605-930
| 0 |
Volga |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2024-02-15 |
|
| 605-930
| 4 |
Volga |
SD |
SXFLSDPS0MD |
073H TELNYX LLC |
640 |
|
2019-09-29 |
|
| 605-930
| 5 |
Volga |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-12-07 |
|
| 605-930
| 6 |
Volga |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-12-07 |
|
| 605-930
| 7 |
Volga |
SD |
SXFLSDCOLMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
640 |
|
2017-12-07 |
|
| 605-931
| A |
Huron |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-931
| 1 |
Huron |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2023-08-10 |
|
| 605-931
| 2 |
Huron |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2025-07-24 |
|
| 605-931
| 3 |
Huron |
SD |
SXFLSDPS5MD |
145J TERRA NOVA TELECOM INC. |
640 |
|
2026-03-29 |
|
| 605-932
| A |
Peever |
SD |
NWEFSDXADS1 |
1674 RC TECHNOLOGIES |
640 |
|
|
|
| 605-933
| A |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-933
| 0 |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-933
| 1 |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-933
| 2 |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-933
| 4 |
Mitchell |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2021-03-13 |
|
| 605-933
| 5 |
Mitchell |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2021-03-13 |
|
| 605-933
| 7 |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2024-04-01 |
|
| 605-933
| 8 |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2021-04-23 |
|
| 605-933
| 9 |
Mitchell |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-934
| A |
Alcester |
SD |
BRNDSDXA582 |
1642 ALLIANCE COMMUNICATIONS COOPERATIVE, INC. (BALTIC) |
640 |
|
|
|
| 605-935
| A |
Tripp |
SD |
WNSCSDXADS0 |
1676 SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD |
640 |
|
|
|
| 605-936
| A |
Huron |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-936
| 0 |
Huron |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2012-11-19 |
|
| 605-936
| 1 |
Huron |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2012-11-26 |
|
| 605-936
| 2 |
Huron |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2013-06-03 |
|
| 605-936
| 3 |
Huron |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2013-06-17 |
|
| 605-937
| A |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
|
|
| 605-937
| 0 |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2022-09-30 |
|
| 605-937
| 1 |
Sioux Falls |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2021-04-13 |
|
| 605-937
| 2 |
Sioux Falls |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2021-04-13 |
|
| 605-937
| 3 |
Sioux Falls |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2015-10-15 |
|
| 605-937
| 4 |
Sioux Falls |
SD |
SXFLSDCOQMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
640 |
|
2015-10-28 |
|
| 605-937
| 5 |
Sioux Falls |
SD |
SXFLSDCORMD |
5180 LEVEL 3 COMMUNICATIONS, LLC - SD |
640 |
|
2018-12-10 |
|
| 605-937
| 6 |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2015-05-15 |
|
| 605-937
| 7 |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2015-05-15 |
|
| 605-937
| 8 |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2015-05-15 |
|
| 605-937
| 9 |
Sioux Falls |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2017-10-09 |
|
| 605-938
| A |
Wilmot |
SD |
NWEFSDXADS1 |
1674 RC TECHNOLOGIES |
640 |
|
|
|
| 605-939
| A |
Rapid City |
SD |
NWUNSDAA1MD |
7421 AT&T - LOCAL |
640 |
|
|
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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