Local Calling Guide
Area code/prefix search
NPA: 307
[Rate centres in NPA 307]
[Dial plan for NPA 307]
NXX: 312
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 307-312
| A |
West Spearfish |
WY |
SXFLSDCHIMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
640 |
|
|
|
| 307-312
| 0 |
West Spearfish |
WY |
SXFLSDCHIMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
640 |
|
2012-08-18 |
|
| 307-312
| 1 |
West Spearfish |
WY |
SXFLSDCHIMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
640 |
|
2012-08-21 |
|
| 307-312
| 2 |
West Spearfish |
WY |
SXFLSDCOTMD |
450F ONVOY, LLC - WY |
640 |
|
2017-04-20 |
|
| 307-312
| 3 |
West Spearfish |
WY |
SXFLSDCOTMD |
450F ONVOY, LLC - WY |
640 |
|
2018-11-12 |
|
| 307-312
| 4 |
West Spearfish |
WY |
SXFLSDCOTMD |
450F ONVOY, LLC - WY |
640 |
|
2019-09-07 |
|
| 307-312
| 5 |
West Spearfish |
WY |
SXFLSDCOTMD |
450F ONVOY, LLC - WY |
640 |
|
2019-09-07 |
|
| 307-312
| 6 |
West Spearfish |
WY |
SXFLSDCOTMD |
450F ONVOY, LLC - WY |
640 |
|
2020-02-23 |
|
| 307-312
| 7 |
West Spearfish |
WY |
SXFLSDCOLMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
640 |
|
2017-06-08 |
|
| 307-312
| 8 |
West Spearfish |
WY |
SXFLSDPS0MD |
073H TELNYX LLC |
640 |
|
2019-02-28 |
|
| 307-312
| 9 |
West Spearfish |
WY |
SXFLSDCOTMD |
450F ONVOY, LLC - WY |
640 |
|
2020-06-04 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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