Local Calling Guide
Area code/prefix search
NPA: 424
[Rate centres in NPA 424]
[Dial plan for NPA 424]
NXX: 290
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 424-290
| A |
El Segundo |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
|
|
| 424-290
| 0 |
El Segundo |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2013-03-03 |
|
| 424-290
| 1 |
El Segundo |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2013-03-03 |
|
| 424-290
| 2 |
El Segundo |
CA |
|
829J PAETEC ITEL, LLC |
730 |
|
2013-10-29 |
|
| 424-290
| 3 |
El Segundo |
CA |
|
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2013-08-22 |
|
| 424-290
| 4 |
El Segundo |
CA |
LSANCA03DS7 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2013-06-06 |
|
| 424-290
| 5 |
El Segundo |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2013-05-20 |
|
| 424-290
| 6 |
El Segundo |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2013-05-22 |
|
| 424-290
| 7 |
El Segundo |
CA |
LSANCAJW2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
2013-03-18 |
|
| 424-290
| 8 |
El Segundo |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2013-06-21 |
|
| 424-290
| 9 |
El Segundo |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2014-05-22 |
|
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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