Local Calling Guide
Area code/prefix search
NPA: 307
[Rate centres in NPA 307]
[Dial plan for NPA 307]
NXX: 434
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 307-434
| A |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-04-08 |
|
| 307-434
| 0 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-04-08 |
|
| 307-434
| 1 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-04-09 |
|
| 307-434
| 2 |
Gillette |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2025-01-19 |
|
| 307-434
| 3 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2025-04-11 |
|
| 307-434
| 4 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2025-05-10 |
|
| 307-434
| 5 |
Gillette |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2026-06-06 |
|
| 307-434
| 6 |
Gillette |
WY |
|
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2026-08-08 |
|
| 307-434
| 7 |
Gillette |
WY |
|
114J EXIANT COMMUNICATIONS LLC |
654 |
|
2026-10-29 |
|
| 307-434
| 8 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-07-06 |
|
| 307-434
| 9 |
Gillette |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-07-06 |
|
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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