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 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 307-481
| A |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
|
|
| 307-481
| 0 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-481
| 1 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-09-07 |
|
| 307-481
| 2 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-12-27 |
|
| 307-481
| 3 |
Lusk |
WY |
CHYNWYMAZMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
654 |
|
2016-11-11 |
|
| 307-481
| 4 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-11-07 |
|
| 307-481
| 5 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-10-12 |
|
| 307-481
| 6 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-12-27 |
|
| 307-481
| 7 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2007-05-06 |
|
| 307-481
| 8 |
Lusk |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2012-01-30 |
|
| 307-481
| 9 |
Lusk |
WY |
CHYNWYMAX9X |
879G TELEPORT COMMUNICATIONS AMERICA WY-LLC |
654 |
|
2020-09-07 |
|
| 307-482
| A |
Wheatland |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-06-05 |
|
| 307-482
| 0 |
Wheatland |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2026-02-05 |
|
| 307-482
| 9 |
Wheatland |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-06-05 |
|
| 307-483
| A |
Rawlins |
WY |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2025-06-26 |
|
| 307-483
| 5 |
Rawlins |
WY |
|
3880 ALL WEST/WYOMING, INC. |
654 |
|
2026-06-12 |
|
| 307-483
| 8 |
Rawlins |
WY |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2025-06-26 |
|
| 307-483
| 9 |
Rawlins |
WY |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2025-06-26 |
|
| 307-484
| A |
Cheyenne |
WY |
|
700J WAVENATION, LLC |
654 |
|
2026-03-06 |
|
| 307-484
| 0 |
Cheyenne |
WY |
|
700J WAVENATION, LLC |
654 |
|
2026-03-06 |
|
| 307-485
| A |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-07-03 |
|
| 307-485
| 0 |
Casper |
WY |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2025-07-04 |
|
| 307-485
| 1 |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-09-21 |
|
| 307-485
| 2 |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-09-21 |
|
| 307-485
| 3 |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2026-01-15 |
|
| 307-485
| 4 |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2026-01-15 |
|
| 307-485
| 5 |
Casper |
WY |
|
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2026-03-16 |
|
| 307-485
| 6 |
Casper |
WY |
|
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2026-04-08 |
|
| 307-485
| 8 |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-07-03 |
|
| 307-485
| 9 |
Casper |
WY |
|
6529 T-MOBILE USA, INC. |
654 |
|
2025-07-03 |
|
| 307-486
| A |
Crowheart |
WY |
DUBSWYXCRS0 |
2291 DUBOIS TEL. EXCH., INC. |
654 |
|
|
|
| 307-487
| A |
Gillette |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-487
| 0 |
Gillette |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2018-11-23 |
|
| 307-487
| 1 |
Gillette |
WY |
CHYNWYRFDS0 |
581H AIRUS, INC. - WY |
654 |
|
2020-08-06 |
|
| 307-487
| 2 |
Gillette |
WY |
CHYNWYMAEMD |
9416 LEVEL 3 COMMUNICATIONS, LLC - WY |
654 |
|
2020-06-28 |
|
| 307-487
| 3 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-487
| 4 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-09-07 |
|
| 307-487
| 5 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-487
| 6 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2020-12-19 |
|
| 307-487
| 7 |
Gillette |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2022-01-11 |
|
| 307-487
| 8 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-06-18 |
|
| 307-487
| 9 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-06-25 |
|
| 307-488
| A |
Lander |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
|
|
| 307-488
| 0 |
Lander |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2018-06-18 |
|
| 307-488
| 1 |
Lander |
WY |
CHYNWYRF1MD |
073H TELNYX LLC |
654 |
|
2019-11-07 |
|
| 307-488
| 2 |
Lander |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-07-11 |
|
| 307-488
| 3 |
Lander |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-09-07 |
|
| 307-488
| 4 |
Lander |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2019-09-07 |
|
| 307-488
| 5 |
Lander |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-03-02 |
|
| 307-488
| 6 |
Lander |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2021-03-02 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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