Local Calling Guide
Area code/prefix search
NPA: 557
[Rate centres in NPA 557]
[Dial plan for NPA 557]
1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 557-200
| A |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
|
|
| 557-200
| 0 |
Ladue |
MO |
STLSMOWQ8MD |
073H TELNYX LLC |
520 |
|
2022-10-10 |
|
| 557-200
| 1 |
Ladue |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2022-12-02 |
|
| 557-200
| 2 |
Ladue |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2022-12-02 |
|
| 557-200
| 3 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2022-12-11 |
|
| 557-200
| 4 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2022-12-11 |
|
| 557-200
| 5 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-07-18 |
|
| 557-200
| 6 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2022-12-11 |
|
| 557-200
| 7 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2022-10-09 |
|
| 557-200
| 8 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2022-10-09 |
|
| 557-200
| 9 |
Ladue |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2022-11-22 |
|
| 557-201
| A |
Kirkwood |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
|
|
| 557-201
| 0 |
Kirkwood |
MO |
STLSMOWQ8MD |
073H TELNYX LLC |
520 |
|
2023-06-23 |
|
| 557-201
| 1 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-08-10 |
|
| 557-201
| 2 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-06-12 |
|
| 557-201
| 3 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-06-12 |
|
| 557-201
| 4 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-08-10 |
|
| 557-201
| 5 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-10-23 |
|
| 557-201
| 6 |
Kirkwood |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-05-29 |
|
| 557-201
| 7 |
Kirkwood |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-05-29 |
|
| 557-201
| 8 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-09-30 |
|
| 557-201
| 9 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-10-23 |
|
| 557-202
| A |
St Louis |
MO |
STLSMO05XWX |
318J COMCAST IP PHONE, LLC |
520 |
|
|
|
| 557-202
| 0 |
St Louis |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-10-22 |
|
| 557-202
| 1 |
St Louis |
MO |
STLSMO05XWX |
318J COMCAST IP PHONE, LLC |
520 |
|
2023-05-26 |
|
| 557-202
| 2 |
St Louis |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-04-02 |
|
| 557-202
| 3 |
St Louis |
MO |
STLSMO05XLX |
093F ONVOY, LLC - MO |
520 |
|
2023-07-12 |
|
| 557-202
| 4 |
St Louis |
MO |
STLSMO05XLX |
093F ONVOY, LLC - MO |
520 |
|
2023-07-12 |
|
| 557-202
| 5 |
St Louis |
MO |
STLSMO05XLX |
093F ONVOY, LLC - MO |
520 |
|
2023-07-12 |
|
| 557-202
| 6 |
St Louis |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-03-09 |
|
| 557-202
| 7 |
St Louis |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-03-09 |
|
| 557-202
| 8 |
St Louis |
MO |
STLSMOGZLMD |
490J BOOST SUBSCRIBERCO L.L.C. |
520 |
|
2023-08-31 |
|
| 557-202
| 9 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-03 |
|
| 557-203
| A |
Mehlville |
MO |
|
6529 T-MOBILE USA, INC. |
520 |
|
|
|
| 557-203
| 0 |
Mehlville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-08-10 |
|
| 557-203
| 1 |
Mehlville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-08-10 |
|
| 557-203
| 2 |
Mehlville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-07-09 |
|
| 557-203
| 3 |
Mehlville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-07-09 |
|
| 557-203
| 4 |
Mehlville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-07-09 |
|
| 557-203
| 5 |
Mehlville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-08-10 |
|
| 557-203
| 6 |
Mehlville |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2023-09-04 |
|
| 557-203
| 7 |
Mehlville |
MO |
|
6529 T-MOBILE USA, INC. |
520 |
|
2025-05-30 |
|
| 557-203
| 8 |
Mehlville |
MO |
STLVMOOH6MD |
5562 METROPCS, INC. |
520 |
|
2023-07-03 |
|
| 557-204
| A |
St Louis |
MO |
STLSMOGZUMD |
598J FIVE9, INC. |
520 |
|
|
|
| 557-204
| 0 |
St Louis |
MO |
STLSMOGZUMD |
598J FIVE9, INC. |
520 |
|
2023-07-06 |
|
| 557-204
| 1 |
St Louis |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-12 |
|
| 557-204
| 2 |
St Louis |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2024-11-22 |
|
| 557-204
| 3 |
St Louis |
MO |
STLSMOPL5MD |
197D VONAGE AMERICA LLC |
520 |
|
2024-05-24 |
|
| 557-204
| 4 |
St Louis |
MO |
STLSMOGZLMD |
490J BOOST SUBSCRIBERCO L.L.C. |
520 |
|
2024-06-01 |
|
| 557-204
| 5 |
St Louis |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2024-11-22 |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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