Active Prefixes in Area Code 858
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 858-237-#### | San Diego | Landline Numbers | North County Communi... |
| 858-240-#### | San Diego | Landline Numbers | Tw Telecom Of Califo... |
| 858-242-#### | Vista | Wireless Numbers | New Cingular Wireles... |
| 858-243-#### | Vista | Wireless Numbers | Cellco Partnership D... |
| 858-244-#### | San Diego | Landline Numbers | Xo California, Inc.... |
| 858-245-#### | Vista | Wireless Numbers | Cellco Partnership D... |
| 858-246-#### | San Diego | Landline Numbers | Tw Telecom Of Califo... |
| 858-248-#### | Vista | Wireless Numbers | Cellco Partnership D... |
| 858-249-#### | San Diego | Wireless Numbers | New Cingular Wireles... |
| 858-251-#### | San Diego | Landline Numbers | Peerless Network Of ... |
| 858-254-#### | Carlsbad | Wireless Numbers | Sprint Spectrum L.p.... |
| 858-255-#### | San Diego | Landline Numbers | Teleport Communicati... |
| 858-256-#### | San Diego | Landline Numbers | Cox California Telco... |
| 858-259-#### | Del Mar | Landline Numbers | Pacific Bell... |
| 858-263-#### | San Diego | Landline Numbers | Time Warner Cbl Info... |
| 858-268-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-270-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-271-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-272-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-273-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-274-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-277-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-278-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-279-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-292-#### | San Diego | Landline Numbers | Pacific Bell... |
| 858-297-#### | San Diego | Landline Numbers | North County Communi... |
| 858-300-#### | San Diego | Landline Numbers | U.s. Telepacific Cor... |
| 858-304-#### | San Diego | Landline Numbers | At&t Local... |
| 858-309-#### | San Diego | Landline Numbers | Tw Telecom Of Califo... |
| 858-312-#### | El Cajon | Landline Numbers | Cox California Telco... |
Area Code 858 Introduction
| Area Code: | 858 |
| Country: | United States |
| State/Province: | California - CA |
| Major City: | San Diego |
| Time Zone: | Pacific |
| Average property | $1.69M |
| Average age | 63 y/o |
| Average assets | $172K |
| Population density | 163,696 sq mi (423,970 km2) |
| Population | 39,250,017 |
| latitude Longitude: | |
| 32°32′ N to 42° N / 114°8′ W to 124°26′ W | |
| About 858 : | |
| The 858 Area Code (or Area Code 858) is located in the state of CA. Area Code 858 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 837 thousand unique phone numbers and 2.48 million individuals near the city of La Jolla Area code 858 was put into service. Area code 858 was created from a split of area code 619. |
|
| Major cities or places | |
| Poway, CA | |