Local Calling Guide
Area code/prefix search
NPA: 424
[Rate centres in NPA 424]
[Dial plan for NPA 424]
NXX: 433
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 424-433
| A |
Santa Monica: Santa Monica DA |
CA |
|
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
|
|
| 424-433
| 0 |
Santa Monica: Santa Monica DA |
CA |
TRNECAGBGT3 |
899D METROPCS NETWORKS, LLC |
730 |
|
2017-10-07 |
|
| 424-433
| 1 |
Santa Monica: Santa Monica DA |
CA |
|
649C ONVOY, LLC - CA |
730 |
|
2026-02-02 |
|
| 424-433
| 2 |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2022-10-15 |
|
| 424-433
| 3 |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2016-12-16 |
|
| 424-433
| 4 |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2016-12-16 |
|
| 424-433
| 5 |
Santa Monica: Santa Monica DA |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2017-01-05 |
|
| 424-433
| 6 |
Santa Monica: Santa Monica DA |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2017-06-09 |
|
| 424-433
| 7 |
Santa Monica: Santa Monica DA |
CA |
LSANCAJW2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
2017-01-12 |
|
| 424-433
| 8 |
Santa Monica: Santa Monica DA |
CA |
|
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2017-05-25 |
|
| 424-433
| 9 |
Santa Monica: Santa Monica DA |
CA |
SHOKCA02IMD |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2020-04-29 |
|
Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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