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 |
| 605-910
| 8 |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2022-08-21 |
|
| 605-910
| 9 |
Sioux Falls |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2022-08-21 |
|
| 605-920
| A |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-920
| 0 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-920
| 1 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-920
| 2 |
Spearfish |
SD |
SXFLSDPS5MD |
145J TERRA NOVA TELECOM INC. |
640 |
|
2024-11-15 |
|
| 605-920
| 3 |
Spearfish |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2022-05-05 |
|
| 605-920
| 8 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-920
| 9 |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-922
| A |
Elkton |
SD |
CLLKSDXA0MD |
920F MCC TELEPHONY OF THE MID-WEST, LLC - SD |
640 |
|
|
|
| 605-922
| 1 |
Elkton |
SD |
CLLKSDXA0MD |
920F MCC TELEPHONY OF THE MID-WEST, LLC - SD |
640 |
|
2010-09-26 |
|
| 605-922
| 9 |
Elkton |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2025-08-01 |
|
| 605-923
| A |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 0 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 1 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 2 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 3 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 4 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 5 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 6 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 7 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-923
| 8 |
Rapid City |
SD |
SXFLSDCHIMD |
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2010-04-19 |
|
| 605-923
| 9 |
Rapid City |
SD |
WRWKSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-924
| A |
Milbank |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-924
| 0 |
Milbank |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2008-11-15 |
|
| 605-924
| 1 |
Milbank |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2010-11-13 |
|
| 605-924
| 2 |
Milbank |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-924
| 3 |
Milbank |
SD |
SXFLSDCOQMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
640 |
|
2016-05-02 |
|
| 605-924
| 4 |
Milbank |
SD |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-924
| 5 |
Milbank |
SD |
SXFLSDCOXMD |
693G TELEPORT COMMUNICATIONS AMERICA SD-LLC |
640 |
|
2020-08-26 |
|
| 605-924
| 6 |
Milbank |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2013-09-05 |
|
| 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 |
SXFLSDPS5MD |
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 |
|
<< 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 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.