Local Calling Guide
Area code/prefix search
NPA: 636
[Rate centres in NPA 636]
[Dial plan for NPA 636]
NXX: 389
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 636-389
| A |
St Charles |
MO |
STLSMOPLDS4 |
4932 LEVEL 3 COMMUNICATIONS, LLC - MO |
520 |
|
|
|
| 636-389
| 0 |
St Charles |
MO |
STLVMOOH6MD |
5562 METROPCS, INC. |
520 |
|
2017-01-13 |
|
| 636-389
| 1 |
St Charles |
MO |
STLVMOOH6MD |
6529 T-MOBILE USA, INC. |
520 |
|
2017-04-30 |
|
| 636-389
| 2 |
St Charles |
MO |
STLVMOOH6MD |
6529 T-MOBILE USA, INC. |
520 |
|
2017-04-30 |
|
| 636-389
| 3 |
St Charles |
MO |
NWTPMOABGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2019-09-09 |
|
| 636-389
| 4 |
St Charles |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2016-01-18 |
|
| 636-389
| 5 |
St Charles |
MO |
STLSMOPLDS4 |
4932 LEVEL 3 COMMUNICATIONS, LLC - MO |
520 |
|
2015-12-24 |
|
| 636-389
| 6 |
St Charles |
MO |
STLSMOGZDS5 |
225F PEERLESS NETWORK OF MISSOURI, LLC - MO |
520 |
|
2015-12-13 |
|
| 636-389
| 7 |
St Charles |
MO |
STLVMOOH6MD |
6529 T-MOBILE USA, INC. |
520 |
|
2019-11-21 |
|
| 636-389
| 8 |
St Charles |
MO |
STLSMOWQDS2 |
093F ONVOY, LLC - MO |
520 |
|
2019-02-02 |
|
| 636-389
| 9 |
St Charles |
MO |
STLSMOGZ6MD |
073H TELNYX LLC |
520 |
|
2017-03-30 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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