Local Calling Guide
Area code/prefix search
NPA: 858
[Rate centres in NPA 858]
[Dial plan for NPA 858]
NXX: 261
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 858-261
| A |
Del Mar |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
|
|
| 858-261
| 0 |
Del Mar |
CA |
SNDGCA0291Z |
793K TWC IP ENABLED SERVICES, LLC |
732 |
|
2015-09-14 |
|
| 858-261
| 1 |
Del Mar |
CA |
SNDGCA51CM3 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2015-09-21 |
|
| 858-261
| 2 |
Del Mar |
CA |
SNDKCA882MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
732 |
|
2015-11-03 |
|
| 858-261
| 3 |
Del Mar |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2026-05-09 |
|
| 858-261
| 4 |
Del Mar |
CA |
SNDGCA51CM3 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2016-01-03 |
|
| 858-261
| 5 |
Del Mar |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2016-02-25 |
|
| 858-261
| 6 |
Del Mar |
CA |
SNDACAGLDS2 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
732 |
|
2015-12-05 |
|
| 858-261
| 7 |
Del Mar |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2016-02-25 |
|
| 858-261
| 8 |
Del Mar |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2015-04-04 |
|
| 858-261
| 9 |
Del Mar |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2015-04-04 |
|
Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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