Local Calling Guide
Area code/prefix search
NPA: 557
[Rate centres in NPA 557]
[Dial plan for NPA 557]
NXX: 238
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 557-238
| A |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 0 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2026-03-28 |
|
| 557-238
| 1 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2026-03-28 |
|
| 557-238
| 2 |
Kirkwood |
MO |
|
321J HD CARRIER LLC |
520 |
|
2026-02-14 |
|
| 557-238
| 3 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 4 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 5 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 6 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 7 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 8 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
| 557-238
| 9 |
Kirkwood |
MO |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2025-08-16 |
|
Last updated: Sat, 21 Mar 2026 23:53:39 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.