Local Calling Guide
Area code/prefix search
NPA: 858
[Rate centres in NPA 858]
[Dial plan for NPA 858]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 858-436
| 5 |
Del Mar |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2007-04-27 |
|
| 858-436
| 6 |
Del Mar |
CA |
ESCNCAKY2MD |
6529 T-MOBILE USA, INC. |
732 |
|
2007-07-19 |
|
| 858-436
| 7 |
Del Mar |
CA |
SNDGCA0268Z |
318J COMCAST IP PHONE, LLC |
732 |
|
2007-08-02 |
|
| 858-436
| 8 |
Del Mar |
CA |
SNDKCA882MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
732 |
|
|
|
| 858-436
| 9 |
Del Mar |
CA |
SNDKCA882MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
732 |
|
|
|
| 858-437
| A |
San Diego: Mira Mesa DA |
CA |
SNDGCA16DS0 |
9740 PACIFIC BELL |
732 |
|
|
|
| 858-437
| 0 |
San Diego: Mira Mesa DA |
CA |
SNDGCA16DS0 |
9740 PACIFIC BELL |
732 |
|
|
|
| 858-437
| 1 |
San Diego: Mira Mesa DA |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
2004-01-26 |
|
| 858-437
| 2 |
San Diego: Mira Mesa DA |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
2004-01-26 |
|
| 858-437
| 3 |
San Diego: Mira Mesa DA |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
2004-01-26 |
|
| 858-437
| 4 |
San Diego: Mira Mesa DA |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
2004-01-26 |
|
| 858-437
| 5 |
San Diego: Mira Mesa DA |
CA |
SNDACAGLDS2 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
732 |
|
2014-04-12 |
|
| 858-437
| 6 |
San Diego: Mira Mesa DA |
CA |
SNDGCA0255Z |
073H TELNYX LLC |
732 |
|
2017-03-24 |
|
| 858-437
| 7 |
San Diego: Mira Mesa DA |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
2005-09-11 |
|
| 858-437
| 8 |
San Diego: Mira Mesa DA |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2007-03-02 |
|
| 858-437
| 9 |
San Diego: Mira Mesa DA |
CA |
SNDGCA02XIZ |
981E BANDWIDTH.COM CLEC, LLC - CA |
732 |
|
2010-07-04 |
|
| 858-438
| A |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
|
|
| 858-438
| 0 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 1 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 2 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 3 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 4 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 5 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 6 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 7 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 8 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-438
| 9 |
Chula Vista |
CA |
SNDGCAJWDS0 |
649C ONVOY, LLC - CA |
732 |
|
2022-11-05 |
|
| 858-439
| A |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2025-08-08 |
|
| 858-439
| 0 |
Chula Vista |
CA |
|
649C ONVOY, LLC - CA |
732 |
|
2025-10-26 |
|
| 858-439
| 1 |
Chula Vista |
CA |
|
649C ONVOY, LLC - CA |
732 |
|
2025-11-09 |
|
| 858-439
| 2 |
Chula Vista |
CA |
|
649C ONVOY, LLC - CA |
732 |
|
2025-11-09 |
|
| 858-439
| 3 |
Chula Vista |
CA |
|
6529 T-MOBILE USA, INC. |
732 |
|
2025-10-31 |
|
| 858-439
| 4 |
Chula Vista |
CA |
|
6529 T-MOBILE USA, INC. |
732 |
|
2025-10-31 |
|
| 858-439
| 5 |
Chula Vista |
CA |
|
6529 T-MOBILE USA, INC. |
732 |
|
2025-10-31 |
|
| 858-439
| 6 |
Chula Vista |
CA |
|
6529 T-MOBILE USA, INC. |
732 |
|
2025-10-31 |
|
| 858-439
| 7 |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2025-08-08 |
|
| 858-439
| 8 |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2025-08-08 |
|
| 858-439
| 9 |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2025-08-08 |
|
| 858-440
| A |
La Mesa |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2025-10-17 |
|
| 858-440
| 0 |
La Mesa |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2026-01-23 |
|
| 858-440
| 9 |
La Mesa |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2025-10-17 |
|
| 858-441
| A |
El Cajon |
CA |
|
649C ONVOY, LLC - CA |
732 |
|
2025-12-07 |
|
| 858-441
| 0 |
El Cajon |
CA |
|
649C ONVOY, LLC - CA |
732 |
|
2025-12-07 |
|
| 858-441
| 4 |
El Cajon |
CA |
|
490J BOOST SUBSCRIBERCO L.L.C. |
732 |
|
2025-12-25 |
|
| 858-442
| A |
Poway |
CA |
SNDICAETAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
732 |
|
|
|
| 858-443
| A |
Chula Vista |
CA |
|
6529 T-MOBILE USA, INC. |
732 |
|
2025-12-18 |
|
| 858-443
| 0 |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2026-01-23 |
|
| 858-443
| 1 |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2026-01-23 |
|
| 858-443
| 2 |
Chula Vista |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
732 |
|
2026-01-23 |
|
| 858-443
| 6 |
Chula Vista |
CA |
|
6529 T-MOBILE USA, INC. |
732 |
|
2025-12-18 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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