Local Calling Guide
Area code/prefix search
Madison, SD
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 605-621
| 3 |
SXFLSDPS1MD |
939H COMMIO, LLC |
640 |
|
2023-10-13 |
|
| 605-621
| 4 |
SXFLSDPS1MD |
939H COMMIO, LLC |
640 |
|
2023-10-13 |
|
| 605-621
| 5 |
SXFLSDPS1MD |
939H COMMIO, LLC |
640 |
|
2023-10-13 |
|
| 605-621
| 6 |
|
6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD |
640 |
|
2024-04-10 |
|
| 605-621
| 9 |
WTTWSDCO0MD |
907D INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. |
640 |
|
2023-05-04 |
|
| 605-636
| A |
MDSNSDCERS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-636
| 0 |
MDSNSDCERS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
| 605-636
| 1 |
SXFLSDCORMD |
5180 LEVEL 3 COMMUNICATIONS, LLC - SD |
640 |
|
2023-01-07 |
|
| 605-636
| 2 |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-636
| 3 |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2012-12-15 |
|
| 605-636
| 4 |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2012-12-15 |
|
| 605-636
| 5 |
SXFLSDCOQMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
640 |
|
2016-11-28 |
|
| 605-636
| 6 |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2011-07-05 |
|
| 605-636
| 7 |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2009-05-28 |
|
| 605-636
| 8 |
SXFLSDCOTMD |
162G ONVOY, LLC - SD |
640 |
|
2020-08-21 |
|
| 605-636
| 9 |
MDSNSDCERS1 |
9631 QWEST CORPORATION |
640 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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