Local Calling Guide
Area code/prefix search
Hill City, SD
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 605-307
| A |
SXFLSDPSDS1 |
580H AIRUS, INC. - SD |
640 |
|
|
|
| 605-307
| 0 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-03-27 |
|
| 605-307
| 1 |
|
580H AIRUS, INC. - SD |
640 |
|
2019-06-16 |
|
| 605-307
| 2 |
|
5180 LEVEL 3 COMMUNICATIONS, LLC - SD |
640 |
|
2020-11-13 |
|
| 605-307
| 3 |
|
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-307
| 4 |
|
073H TELNYX LLC |
640 |
|
2019-09-29 |
|
| 605-307
| 5 |
|
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-307
| 6 |
|
162G ONVOY, LLC - SD |
640 |
|
2020-10-23 |
|
| 605-307
| 7 |
|
162G ONVOY, LLC - SD |
640 |
|
2020-12-07 |
|
| 605-307
| 8 |
|
162G ONVOY, LLC - SD |
640 |
|
2021-02-12 |
|
| 605-307
| 9 |
|
162G ONVOY, LLC - SD |
640 |
|
2021-02-12 |
|
| 605-574
| A |
HLCYSDCORS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
640 |
|
2011-04-12 |
|
| 605-574
| 1 |
|
106F BANDWIDTH.COM CLEC, LLC - SD |
640 |
|
2011-10-01 |
|
| 605-574
| 2 |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 3 |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 4 |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-574
| 5 |
|
162G ONVOY, LLC - SD |
640 |
|
2012-12-19 |
|
| 605-574
| 6 |
|
162G ONVOY, LLC - SD |
640 |
|
2013-12-18 |
|
| 605-574
| 7 |
|
162G ONVOY, LLC - SD |
640 |
|
2009-05-28 |
|
| 605-574
| 8 |
|
162G ONVOY, LLC - SD |
640 |
|
2011-10-28 |
|
| 605-574
| 9 |
|
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-909
| A |
SXFLSDPSCMD |
516J TON80 COMMUNICATIONS, LLC |
640 |
|
|
|
| 605-909
| 0 |
|
516J TON80 COMMUNICATIONS, LLC |
640 |
|
2022-05-10 |
|
| 605-909
| 1 |
|
073H TELNYX LLC |
640 |
|
2022-05-11 |
|
| 605-909
| 2 |
|
162G ONVOY, LLC - SD |
640 |
|
2023-08-20 |
|
| 605-909
| 3 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-07-18 |
|
| 605-909
| 4 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-07-18 |
|
| 605-909
| 5 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-03-27 |
|
| 605-909
| 6 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-09-15 |
|
| 605-909
| 7 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-06-23 |
|
| 605-909
| 8 |
|
162G ONVOY, LLC - SD |
640 |
|
2022-11-12 |
|
| 605-909
| 9 |
|
6701 AERIAL COMMUNICATIONS, INC. |
640 |
|
2025-09-15 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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