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 |
| 307-352
| 4 |
Rock Springs |
WY |
RCSPWYMADS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-352
| 5 |
Rock Springs |
WY |
RCSPWYMADS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-352
| 6 |
Rock Springs |
WY |
RCSPWYMADS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-352
| 7 |
Rock Springs |
WY |
RCSPWYMADS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-352
| 8 |
Rock Springs |
WY |
RCSPWYMADS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-352
| 9 |
Rock Springs |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2008-11-29 |
|
| 307-353
| A |
Alta |
WY |
DRGSIDMADS2 |
2214 COLUMBINE TELCO DBA SILVER STAR COMMUNICATIONS |
652 |
|
|
|
| 307-354
| A |
Rock Springs |
WY |
CHYNWYVACM1 |
013B UNION TELEPHONE COMPANY |
654 |
|
|
|
| 307-355
| A |
La Grange |
WY |
GDISNENWX2X |
6529 T-MOBILE USA, INC. |
646 |
|
|
|
| 307-355
| 0 |
La Grange |
WY |
SCTSNEXUMMD |
450F ONVOY, LLC - WY |
646 |
|
2023-06-18 |
|
| 307-355
| 1 |
La Grange |
WY |
SCTSNEXUMMD |
450F ONVOY, LLC - WY |
646 |
|
2021-07-11 |
|
| 307-355
| 2 |
La Grange |
WY |
SCTSNEXUMMD |
450F ONVOY, LLC - WY |
646 |
|
2021-04-21 |
|
| 307-355
| 3 |
La Grange |
WY |
SCTSNEXUMMD |
450F ONVOY, LLC - WY |
646 |
|
2021-03-01 |
|
| 307-355
| 4 |
La Grange |
WY |
SCTSNEXUMMD |
450F ONVOY, LLC - WY |
646 |
|
2024-01-08 |
|
| 307-355
| 5 |
La Grange |
WY |
GDISNENWX2X |
6529 T-MOBILE USA, INC. |
646 |
|
2024-04-09 |
|
| 307-355
| 6 |
La Grange |
WY |
GDISNENWX2X |
6529 T-MOBILE USA, INC. |
646 |
|
2024-07-20 |
|
| 307-355
| 7 |
La Grange |
WY |
GDISNENW6MD |
9416 LEVEL 3 COMMUNICATIONS, LLC - WY |
646 |
|
2023-01-27 |
|
| 307-355
| 8 |
La Grange |
WY |
SCTSNEXUMMD |
450F ONVOY, LLC - WY |
646 |
|
2023-10-12 |
|
| 307-355
| 9 |
La Grange |
WY |
GDISNENWX2X |
6529 T-MOBILE USA, INC. |
646 |
|
2020-09-28 |
|
| 307-356
| A |
Shirley Basin |
WY |
SYBNWYXCRS1 |
2297 UNION TEL. CO. |
654 |
|
|
|
| 307-357
| A |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
|
|
| 307-357
| 0 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-03-08 |
|
| 307-357
| 1 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-03-08 |
|
| 307-357
| 2 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2023-10-31 |
|
| 307-357
| 3 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-07-08 |
|
| 307-357
| 4 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-07-08 |
|
| 307-357
| 5 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-12-13 |
|
| 307-357
| 6 |
Laramie |
WY |
CHYNWYMAX6X |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2025-01-19 |
|
| 307-357
| 7 |
Laramie |
WY |
CHYNWYMAXGX |
624H ONVOY SPECTRUM, LLC |
654 |
|
2025-01-20 |
|
| 307-357
| 8 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-12-04 |
|
| 307-357
| 9 |
Laramie |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2024-04-12 |
|
| 307-358
| A |
Douglas |
WY |
DGLSWYMADS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-359
| A |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-359
| 0 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-359
| 1 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-359
| 2 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-359
| 3 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-359
| 4 |
Douglas |
WY |
BASNWYXCDS1 |
7466 TRI TEL, INC. |
654 |
|
2010-02-19 |
|
| 307-359
| 5 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2011-09-08 |
|
| 307-359
| 6 |
Douglas |
WY |
CSPRWYMAXMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2010-11-13 |
|
| 307-359
| 7 |
Douglas |
WY |
CHYNWYMAX2X |
450F ONVOY, LLC - WY |
654 |
|
2012-01-30 |
|
| 307-359
| 8 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
|
|
| 307-359
| 9 |
Douglas |
WY |
CHYNWYMAXIX |
6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY |
654 |
|
2010-02-22 |
|
| 307-360
| A |
Pinedale |
WY |
CHYNWYVACM1 |
013B UNION TELEPHONE COMPANY |
654 |
|
|
|
| 307-361
| A |
Baggs |
WY |
CHYNWYMAX6X |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
|
|
| 307-361
| 8 |
Baggs |
WY |
CHYNWYMAX6X |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2021-04-19 |
|
| 307-361
| 9 |
Baggs |
WY |
CHYNWYMAX6X |
6010 NEW CINGULAR WIRELESS PCS, LLC |
654 |
|
2021-04-19 |
|
| 307-362
| A |
Rock Springs |
WY |
RCSPWYMADS1 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 307-363
| A |
Gillette |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
|
|
| 307-363
| 0 |
Gillette |
WY |
CHYNWYMAQMD |
081F BANDWIDTH.COM CLEC, LLC - WY |
654 |
|
2010-10-25 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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