Local Calling Guide
Area code/prefix search
NPA: 858
[Rate centres in NPA 858]
[Dial plan for NPA 858]
NXX: 257
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 858-257
| A |
La Jolla |
CA |
SNDACAGLDS2 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
732 |
|
|
|
| 858-257
| 0 |
La Jolla |
CA |
SNDGCA02XIZ |
981E BANDWIDTH.COM CLEC, LLC - CA |
732 |
|
2015-08-15 |
|
| 858-257
| 1 |
La Jolla |
CA |
SNDGCA02XIZ |
981E BANDWIDTH.COM CLEC, LLC - CA |
732 |
|
2015-08-15 |
|
| 858-257
| 2 |
La Jolla |
CA |
SNDACAGLDS2 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
732 |
|
2014-11-22 |
|
| 858-257
| 3 |
La Jolla |
CA |
SNDACAGLDS2 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
732 |
|
2015-08-30 |
|
| 858-257
| 4 |
La Jolla |
CA |
SNDACAGLDS2 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
732 |
|
2014-11-22 |
|
| 858-257
| 5 |
La Jolla |
CA |
SNDGCA0284Z |
4733 PAETEC COMMUNICATIONS, INC. - CA |
732 |
|
2019-08-23 |
|
| 858-257
| 6 |
La Jolla |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
2015-10-23 |
|
| 858-257
| 7 |
La Jolla |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2015-04-23 |
|
| 858-257
| 8 |
La Jolla |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2015-04-23 |
|
| 858-257
| 9 |
La Jolla |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2015-04-23 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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