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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 605-638
| A |
Vermillion |
SD |
VRMLSDCODS0 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-638
| 0 |
Vermillion |
SD |
VRMLSDCODS0 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-638
| 1 |
Vermillion |
SD |
VRMLSDCODS0 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-638
| 2 |
Vermillion |
SD |
SXFLSDPSCMD |
516J TON80 COMMUNICATIONS, LLC |
640 |
|
2022-04-01 |
|
| 605-638
| 3 |
Vermillion |
SD |
SXFLSDCOQMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
640 |
|
2016-11-28 |
|
| 605-638
| 4 |
Vermillion |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2013-12-16 |
|
| 605-638
| 5 |
Vermillion |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2013-12-16 |
|
| 605-638
| 6 |
Vermillion |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2006-12-30 |
|
| 605-638
| 7 |
Vermillion |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2009-05-28 |
|
| 605-638
| 8 |
Vermillion |
SD |
VRMLSDCODS0 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-638
| 9 |
Vermillion |
SD |
SXFLSDPSDS1 |
580H AIRUS, INC. - SD |
640 |
|
2016-12-11 |
|
| 605-639
| A |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-639
| 0 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-639
| 1 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-639
| 3 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-639
| 5 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-639
| 7 |
Spearfish |
SD |
SXFLSDPSCMD |
516J TON80 COMMUNICATIONS, LLC |
640 |
|
2022-03-28 |
|
| 605-639
| 8 |
Spearfish |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2022-12-17 |
|
| 605-639
| 9 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-640
| A |
McIntosh |
SD |
SXFLSDPSDS1 |
580H AIRUS, INC. - SD |
640 |
|
|
|
| 605-640
| 0 |
McIntosh |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2021-07-08 |
|
| 605-640
| 1 |
McIntosh |
SD |
SXFLSDPSDS1 |
580H AIRUS, INC. - SD |
640 |
|
2019-12-02 |
|
| 605-640
| 2 |
McIntosh |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2021-02-12 |
|
| 605-640
| 3 |
McIntosh |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2021-02-12 |
|
| 605-640
| 4 |
McIntosh |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-10-23 |
|
| 605-640
| 5 |
McIntosh |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-640
| 6 |
McIntosh |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-640
| 7 |
McIntosh |
SD |
SXFLSDCORMD |
5180 LEVEL 3 COMMUNICATIONS, LLC - SD |
640 |
|
2023-01-07 |
|
| 605-640
| 8 |
McIntosh |
SD |
SXFLSDCOX0X |
624H ONVOY SPECTRUM, LLC |
640 |
|
2024-12-20 |
|
| 605-640
| 9 |
McIntosh |
SD |
SXFLSDPS0MD |
073H TELNYX LLC |
640 |
|
2019-12-03 |
|
| 605-641
| A |
Spearfish |
SD |
RPCYSDCOGMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-642
| A |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-643
| A |
Selby |
SD |
SXFLSDPSDS0 |
7076 MIDCONTINENT COMMUNICATIONS. - SD |
640 |
|
|
|
| 605-643
| 5 |
Selby |
SD |
SXFLSDPSDS0 |
7076 MIDCONTINENT COMMUNICATIONS. - SD |
640 |
|
2016-03-25 |
|
| 605-644
| A |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 0 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 1 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 2 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 3 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 4 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 5 |
Spearfish |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2009-05-28 |
|
| 605-644
| 6 |
Spearfish |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2008-11-29 |
|
| 605-644
| 7 |
Spearfish |
SD |
SXFLSDCORMD |
5180 LEVEL 3 COMMUNICATIONS, LLC - SD |
640 |
|
2005-01-30 |
|
| 605-644
| 8 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-644
| 9 |
Spearfish |
SD |
SPRFSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-645
| A |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-646
| A |
Rapid City |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
|
|
| 605-646
| 0 |
Rapid City |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2011-07-23 |
|
| 605-646
| 1 |
Rapid City |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2011-10-12 |
|
| 605-646
| 2 |
Rapid City |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2012-05-04 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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