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 |
| 557-204
| 6 |
St Louis |
MO |
STLSMOWQ8MD |
073H TELNYX LLC |
520 |
|
2024-08-31 |
|
| 557-204
| 7 |
St Louis |
MO |
STLSMOWQ8MD |
073H TELNYX LLC |
520 |
|
2024-08-31 |
|
| 557-204
| 8 |
St Louis |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-12 |
|
| 557-204
| 9 |
St Louis |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2023-09-04 |
|
| 557-205
| A |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
|
|
| 557-205
| 0 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 1 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 2 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 3 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 4 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 5 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 6 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 7 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 8 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-205
| 9 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| A |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
|
|
| 557-206
| 0 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 1 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 2 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 3 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 4 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 5 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 6 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 7 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 8 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-206
| 9 |
St Louis |
MO |
STLSMO09XMD |
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2023-07-24 |
|
| 557-207
| A |
Oakville |
MO |
STLSMOGZVMD |
598J FIVE9, INC. |
520 |
|
|
|
| 557-207
| 0 |
Oakville |
MO |
STLSMOGZVMD |
598J FIVE9, INC. |
520 |
|
2023-07-30 |
|
| 557-207
| 1 |
Oakville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-25 |
|
| 557-207
| 2 |
Oakville |
MO |
|
093F ONVOY, LLC - MO |
520 |
|
2025-04-07 |
|
| 557-207
| 3 |
Oakville |
MO |
|
093F ONVOY, LLC - MO |
520 |
|
2025-10-26 |
|
| 557-207
| 4 |
Oakville |
MO |
|
093F ONVOY, LLC - MO |
520 |
|
2026-02-20 |
|
| 557-207
| 6 |
Oakville |
MO |
|
7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO |
520 |
|
2025-03-10 |
|
| 557-207
| 8 |
Oakville |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-07-12 |
|
| 557-207
| 9 |
Oakville |
MO |
STLSMO05RMD |
993E BANDWIDTH.COM CLEC, LLC - MO |
520 |
|
2024-11-11 |
|
| 557-208
| A |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
|
|
| 557-208
| 0 |
Ladue |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2023-11-12 |
|
| 557-208
| 1 |
Ladue |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2023-11-12 |
|
| 557-208
| 2 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-11-11 |
|
| 557-208
| 3 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-11-11 |
|
| 557-208
| 4 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-11-11 |
|
| 557-208
| 5 |
Ladue |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2023-11-11 |
|
| 557-208
| 6 |
Ladue |
MO |
STLSMO05XMX |
624H ONVOY SPECTRUM, LLC |
520 |
|
2023-11-27 |
|
| 557-208
| 7 |
Ladue |
MO |
STLSMO05XMX |
624H ONVOY SPECTRUM, LLC |
520 |
|
2023-11-27 |
|
| 557-208
| 8 |
Ladue |
MO |
STLSMO05XMX |
624H ONVOY SPECTRUM, LLC |
520 |
|
2023-11-27 |
|
| 557-208
| 9 |
Ladue |
MO |
STLSMO05XMX |
624H ONVOY SPECTRUM, LLC |
520 |
|
2023-11-27 |
|
| 557-209
| A |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-04 |
|
| 557-209
| 0 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-04 |
|
| 557-209
| 1 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-04 |
|
| 557-209
| 2 |
Kirkwood |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2024-05-04 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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