Area code 858

Submitted in Compliance with California Public Utilities.

Area code was created by a split of area code in In , a part of the numbering plan area was assigned area code in northwest San Diego County. In , the area code boundary between and was eliminated, creating an overlay complex with the two area codes. The first area code split became necessary in , when most of the southern and eastern portion, including San Diego and most of Orange County, was assigned area code In , was split and almost all of the southernmost portion of California, from San Diego to the Nevada border received area code , the first new area code in California since , when was added. On March 23, , most of outer northern San Diego County, desert areas and geographical areas in southeastern California were removed from the numbering plan area by a split for area code On June 30, , the NANPA approved a request by the California Public Utilities Commission for a two-phase three-way split of such that the first phase would introduce the new area code to northwest San Diego County on June 12, , after which the southern and eastern parts of the county would be split off into a new area code on June 10, , [1] leaving the remaining portion of to serve almost exclusively the city of San Diego.

Area code 858

Want to get a local business presence in San Diego, CA? With Dialpad, you can get a business phone number with the area code in just a few minutes. Try Dialpad for free to get set up with a local state of California number! Need a local phone number for California area codes? What if we told you that you can get a local number included with your cloud phone system? Area code is in the Pacific time zone, serving San Diego and surrounding areas. The prefix was launched by the California Public Utilities Commission CPUC as an overlay for the area code and covers some of the same geographic area. Check out an area code map here. Never miss a call again. Smart call routing gets your callers to the right department or person—without you having to lift a finger. With Dialpad, you can easily route calls to agents, voicemail, or a department—and also make changes to your IVR, right from your online dashboard. With Dialpad, you can make work calls from your personal cell phone—while showing your area code work number and protecting your privacy. This way, you don't have to be distracted with note-taking and can give them your full attention and Dialpad even detects highlights and action items. When you're in back-to-back meetings all day, you can't always listen to every voicemail.

In other cases, area code 858, wireless Type 1 carriers go out of business and do not return their numbers to the wireline carrier. The summary of available numbers is shown in the table below.

When you think of California, what comes to mind? Beautiful beaches. Sprawling cities. Mountainous landscapes. Because of its beauty and ever-shining sun, you might find that this is a great place to set up shop and start promoting your brand new business.

Download Area Code Database. Area Code is located in California. It also covers 1 county , San Diego County. A full list of covered cities and counties is below including its prefix and population coverage. The Area Code Map above shows the geographic region it covers. It has a single overlay that serves the same geographic area. Combined, this Area Code and overlays , serves a population of 3,, The table above displays the current local time for each time zone. Please remember that while the majority of this region may observe Daylight Saving Time, small localized areas may not. It was created as an area code overlay for the Area Code.

Area code 858

This exclusive prefix has become synonymous with innovation, as it serves as the home base for numerous startups, corporations, and research institutions in the region. The emergence of the area code facilitated the growth of a new tech hub in San Diego, attracting industry giants like Qualcomm, Illumina, and NuVasive with its skilled workforce, proximity to UCSD, and favorable business climate. Today, this thriving ecosystem hosts more than 1, technology companies and employs tens of thousands of professionals in the field. The area code encompasses a diverse range of communities, from affluent neighborhoods such as La Jolla and Rancho Santa Fe to laid-back surf towns like Encinitas and Solana Beach.

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However, after the phase of the split, popular and political opposition throughout the country regarding the large number of area code splits being scheduled forced the NANPA to implement block number pooling, which effectively extended the life of the remaining portion of , and the phase of the split was cancelled. Given the variances in the levels of administrative numbers between companies and rate centers, it is unclear what basis companies use for placing numbers in this category. Because the local calling areas in California are small compared to those in many other states, it is virtually impossible to migrate to larger calling areas via consolidation of rate centers without eliminating at least some toll call routes. Wireless carriers reported 12, reserved numbers in the area code. TD notes that this number use category has the potential for abuse by companies if they use significant quantities of number resources for intermediate purposes. In addition, the report analyzes number use by carrier category and identifies what measures the CPUC can employ in the and other area codes to improve efficiency of number use in order to prematurely avoid opening new area codes. The ESRD identifies the cell site and sector of the call origination in a wireless call scenario. A portion of these unused numbers can be made available for use by all companies, either through pooling in the future or through allocation from Code Administration. Given the near doubling of the number of area codes in California, from to , this vital public resource should be used as efficiently and effectively as possible. It takes just a few minutes, and you'll be set up with an number too. You can even port over your existing number with no service interruptions.

Area code was created by a split of area code in In , a part of the numbering plan area was assigned area code in northwest San Diego County.

Not all of the 6. Area codes for San Diego County, California. Finally, some numbers in this area code are not available for public use, as they have been set-aside for emergency purposes, for technical network support, or for other reasons. Area code is in the Pacific time zone, serving San Diego and surrounding areas. In addition, companies have reported 1. Enfield, Middlesex: Silver Vision. With the release of the first NRO Order, the FCC adopted a number of administrative and technical measures that will allow it to monitor more closely the way numbering resources are used and to promote more efficient use of numbering resources. The percentages of assigned numbers to total numbers held by companies are shown in the table below. The CPUC should begin implementation of the many number conservation and management practices found in the Recommendations Section of this report. The FCC granted authority to state regulatory commissions to investigate and determine whether prefix holders have activated prefixes within the allowed time frames, and directed the NANPA to abide by the state commission's determination to reclaim a prefix if the state commission is satisfied that the prefix holder has not activated the prefix within the time specified in the first NRO Order. Available From Code Administration.