Local Calling Guide
Area code/prefix search
NPA: 307
[Rate centres in NPA 307]
[Dial plan for NPA 307]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 307-300
| 2 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-300
| 3 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-12-11 |
|
| 307-300
| 4 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-09-05 |
|
| 307-300
| 5 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-09-05 |
|
| 307-300
| 6 |
Powell |
WY |
CHYNWYMAX9X |
879G TELEPORT COMMUNICATIONS AMERICA WY-LLC |
654 |
|
2020-09-07 |
|
| 307-300
| 7 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-300
| 8 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-300
| 9 |
Powell |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-06-01 |
|
| 307-301
| A |
Casper |
WY |
CSPRWYDNGMD |
515J IP HORIZON LLC |
654 |
|
|
|
| 307-301
| 0 |
Casper |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2023-12-28 |
|
| 307-301
| 1 |
Casper |
WY |
|
515J IP HORIZON LLC |
654 |
|
2023-11-30 |
|
| 307-301
| 2 |
Casper |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-02-26 |
|
| 307-301
| 3 |
Casper |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-02-26 |
|
| 307-301
| 4 |
Casper |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-02-26 |
|
| 307-301
| 5 |
Casper |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-05-20 |
|
| 307-301
| 6 |
Casper |
WY |
|
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2025-02-12 |
|
| 307-301
| 7 |
Casper |
WY |
CSPRWYMAXEX |
6529 T-MOBILE USA, INC. |
654 |
|
2024-02-10 |
|
| 307-301
| 8 |
Casper |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2023-12-25 |
|
| 307-301
| 9 |
Casper |
WY |
CSPRWYMAXEX |
6529 T-MOBILE USA, INC. |
654 |
|
2023-12-04 |
|
| 307-302
| A |
Cody |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
|
|
| 307-302
| 0 |
Cody |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2020-10-17 |
|
| 307-302
| 1 |
Cody |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-07-19 |
|
| 307-302
| 2 |
Cody |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-10-19 |
|
| 307-302
| 3 |
Cody |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-10-19 |
|
| 307-302
| 4 |
Cody |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-302
| 5 |
Cody |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-302
| 6 |
Cody |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-302
| 7 |
Cody |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-302
| 8 |
Cody |
WY |
CHYNWYRF8MD |
321J HD CARRIER LLC |
654 |
|
2020-10-18 |
|
| 307-302
| 9 |
Cody |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2020-11-30 |
|
| 307-303
| A |
Green River |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
|
|
| 307-303
| 0 |
Green River |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2021-01-08 |
|
| 307-303
| 1 |
Green River |
WY |
CHYNWYRF5MD |
197D VONAGE AMERICA LLC |
654 |
|
2021-06-12 |
|
| 307-303
| 2 |
Green River |
WY |
CHYNWYRF5MD |
197D VONAGE AMERICA LLC |
654 |
|
2021-06-12 |
|
| 307-303
| 3 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-07-06 |
|
| 307-303
| 4 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-03-02 |
|
| 307-303
| 5 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-03-02 |
|
| 307-303
| 6 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-303
| 7 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-01-11 |
|
| 307-303
| 8 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-303
| 9 |
Green River |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-06-18 |
|
| 307-304
| A |
Jeffrey City |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
|
|
| 307-304
| 8 |
Jeffrey City |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2020-11-16 |
|
| 307-304
| 9 |
Jeffrey City |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2020-11-16 |
|
| 307-305
| A |
Midwest |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
|
|
| 307-305
| 8 |
Midwest |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2021-04-19 |
|
| 307-305
| 9 |
Midwest |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2021-04-19 |
|
| 307-306
| A |
Douglas |
WY |
CSPRWYDNIMD |
495J STRATUS NETWORKS |
654 |
|
|
|
| 307-306
| 0 |
Douglas |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-306
| 1 |
Douglas |
WY |
CSPRWYDNIMD |
495J STRATUS NETWORKS |
654 |
|
2021-02-19 |
|
| 307-306
| 2 |
Douglas |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-306
| 3 |
Douglas |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-07-19 |
|
| 307-306
| 4 |
Douglas |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2021-12-03 |
|
| 307-306
| 5 |
Douglas |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2022-03-20 |
|
| 307-306
| 6 |
Douglas |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-07-23 |
|
| 307-306
| 7 |
Douglas |
WY |
CSPRWYMAXEX |
6529 T-MOBILE USA, INC. |
654 |
|
2022-03-31 |
|
| 307-306
| 8 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2022-11-04 |
|
| 307-306
| 9 |
Douglas |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2022-02-26 |
|
| 307-309
| A |
Glenrock |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
|
|
| 307-309
| 0 |
Glenrock |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
|
|
| 307-309
| 1 |
Glenrock |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2023-12-28 |
|
| 307-309
| 2 |
Glenrock |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2012-12-17 |
|
| 307-309
| 3 |
Glenrock |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2012-12-17 |
|
| 307-309
| 4 |
Glenrock |
WY |
CHYNWYMAEMD |
9416 LEVEL 3 COMMUNICATIONS, LLC - WY |
654 |
|
2014-07-06 |
|
| 307-309
| 5 |
Glenrock |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2020-03-15 |
|
| 307-309
| 6 |
Glenrock |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-03-02 |
|
| 307-309
| 7 |
Glenrock |
WY |
CHYNWYMAXAX |
508J CENTURYLINK COMMUNICATIONS, LLC |
654 |
|
2015-03-18 |
|
| 307-309
| 8 |
Glenrock |
WY |
CHYNWYRF1MD |
073H TELNYX LLC |
654 |
|
2019-03-01 |
|
| 307-309
| 9 |
Glenrock |
WY |
SHRDWYCT0MD |
268A ADVANCED COMMUNICATIONS TECHNOLOGY, INC. - WY |
654 |
|
2015-01-11 |
|
| 307-310
| A |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
|
|
| 307-310
| 0 |
Cheyenne |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2024-04-22 |
|
| 307-310
| 1 |
Cheyenne |
WY |
CHYNWY07GMD |
5562 METROPCS, INC. |
654 |
|
2021-09-19 |
|
| 307-310
| 2 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-11-19 |
|
| 307-310
| 3 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2020-01-15 |
|
| 307-310
| 4 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2020-07-02 |
|
| 307-310
| 5 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2020-07-02 |
|
| 307-310
| 6 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-05-23 |
|
| 307-310
| 7 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-05-23 |
|
| 307-310
| 8 |
Cheyenne |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2021-11-19 |
|
| 307-310
| 9 |
Cheyenne |
WY |
|
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2025-03-12 |
|
| 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 |
|
| 307-313
| A |
Evanston |
WY |
CHYNWYMAEMD |
9416 LEVEL 3 COMMUNICATIONS, LLC - WY |
654 |
|
|
|
| 307-313
| 0 |
Evanston |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2018-12-06 |
|
| 307-313
| 1 |
Evanston |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-12-27 |
|
| 307-313
| 2 |
Evanston |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-09-05 |
|
| 307-313
| 3 |
Evanston |
WY |
CHYNWYMAZMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
654 |
|
2012-02-16 |
|
| 307-313
| 4 |
Evanston |
WY |
CHYNWYMAEMD |
9416 LEVEL 3 COMMUNICATIONS, LLC - WY |
654 |
|
2009-12-27 |
|
| 307-313
| 5 |
Evanston |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-313
| 6 |
Evanston |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-03-02 |
|
| 307-313
| 7 |
Evanston |
WY |
CHYNWYMAXAX |
508J CENTURYLINK COMMUNICATIONS, LLC |
654 |
|
2015-03-18 |
|
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Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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