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 |
| 605-570
| 3 |
Huron |
SD |
|
073H TELNYX LLC |
640 |
|
2019-09-23 |
|
| 605-570
| 4 |
Huron |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2020-10-23 |
|
| 605-570
| 5 |
Huron |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2019-09-13 |
|
| 605-570
| 6 |
Huron |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2018-08-20 |
|
| 605-570
| 7 |
Huron |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2019-11-07 |
|
| 605-570
| 8 |
Huron |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2019-11-07 |
|
| 605-570
| 9 |
Huron |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2020-12-07 |
|
| 605-571
| A |
Spearfish |
SD |
RPCYSDIPGT0 |
7076 MIDCONTINENT COMMUNICATIONS. - SD |
640 |
|
|
|
| 605-571
| 0 |
Spearfish |
SD |
|
7076 MIDCONTINENT COMMUNICATIONS. - SD |
640 |
|
|
|
| 605-571
| 1 |
Spearfish |
SD |
|
7076 MIDCONTINENT COMMUNICATIONS. - SD |
640 |
|
|
|
| 605-571
| 2 |
Spearfish |
SD |
|
7076 MIDCONTINENT COMMUNICATIONS. - SD |
640 |
|
|
|
| 605-572
| A |
Armour |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-572
| 1 |
Armour |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-572
| 8 |
Armour |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-573
| A |
Flandreau |
SD |
VBRGSDAADS0 |
7024 CLARITY TELECOM, LLC DBA BLUEPEAK |
640 |
|
|
|
| 605-574
| A |
Hill City |
SD |
HLCYSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 0 |
Hill City |
SD |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2011-04-12 |
|
| 605-574
| 1 |
Hill City |
SD |
|
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2011-10-01 |
|
| 605-574
| 2 |
Hill City |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 3 |
Hill City |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 4 |
Hill City |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 5 |
Hill City |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2012-12-19 |
|
| 605-574
| 6 |
Hill City |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2013-12-18 |
|
| 605-574
| 7 |
Hill City |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2009-05-28 |
|
| 605-574
| 8 |
Hill City |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2011-10-28 |
|
| 605-574
| 9 |
Hill City |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-575
| A |
Sioux Falls |
SD |
SXFLSDCODS2 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-576
| A |
South Ladd |
SD |
DCSNNDASDS0 |
1607 CONSOLIDATED TELCOM |
638 |
|
|
|
| 605-577
| A |
Long Lake |
SD |
HRRDSDXADS1 |
1685 VALLEY TELECOM COOP. ASSN., INC. |
640 |
|
|
|
| 605-578
| A |
Spearfish |
SD |
DDWDSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-578
| 0 |
Spearfish |
SD |
|
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2016-08-21 |
|
| 605-578
| 1 |
Spearfish |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-578
| 2 |
Spearfish |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-578
| 3 |
Spearfish |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-578
| 4 |
Spearfish |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-578
| 6 |
Spearfish |
SD |
|
162G ONVOY, LLC - SD |
640 |
|
2009-05-28 |
|
| 605-578
| 7 |
Spearfish |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-578
| 9 |
Spearfish |
SD |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-579
| A |
Howard |
SD |
SXFLSDCONMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
|
|
| 605-579
| 0 |
Howard |
SD |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2005-08-01 |
|
| 605-579
| 9 |
Howard |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2025-08-01 |
|
| 605-580
| A |
Spearfish |
SD |
SXFLSDCOX9X |
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-580
| 0 |
Spearfish |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-580
| 1 |
Spearfish |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-580
| 2 |
Spearfish |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2024-05-10 |
|
| 605-580
| 3 |
Spearfish |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2025-07-24 |
|
| 605-580
| 5 |
Spearfish |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-580
| 6 |
Spearfish |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-580
| 7 |
Spearfish |
SD |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
|
|
| 605-580
| 9 |
Spearfish |
SD |
|
145J TERRA NOVA TELECOM INC. |
640 |
|
2023-08-06 |
|
<< 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, 29 Jan 2026 14:35:03 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.