Call San Francisco, CA
international dialing information
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How to Call San Francisco, CaliforniaCallingSanFrancisco.com provides detailed information for making international long distance telephone calls to San Francisco, California, USA from any country in the world. United States phone numbers are highly standardized, so San Francisco phone numbers follow the same format used throughout the US. Mobile numbers and landline numbers have identical 10-digit formats. 
Key topics:
Click here for a complete list of topics ****************** With a population of about 4.2 million people, the San Francisco metropolitan area is the twelfth largest city in the United States. San Francisco is located on San Francisco Bay on the northern California coast. The economy in San Francisco proper is tightly tied to tourism with more 16 million visitors to the city each year. The most well know attractions include the Golden Gate Bridge, the Presidio, Lombard Street, Alcatraz, and Fisherman's Wharf. Silicon Valley and San Jose, which lie to the south of the city, are major international technology centers. Silicon Valley has become known worldwide for innovation. San Francisco has a cool moderate climate that is very pleasant year round. more on San Francisco >>>> San Francisco Dialing CodesTo make an international phone call to San Francisco, CA, the following dialing codes will be required. US phone numbers are highly standardized and are always 10-digits long. They are almost universally written to include all 10-digits. This makes dialing US numbers a bit easier than in some countries. Phone Number Format for International CallsTo make an international phone call to San Francisco, you generally will need to dial a phone number formatted as follows: International Phone Number Format
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| idd | 1 | aaa | nnn nnnn |
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| international access code |
country code |
area code |
local subscriber number |
Taking this general format, you need to plug in the outbound international access code for your originating country and the complete 10-digit phone number in San Francisco.
In the United States, landline numbers and cell phone numbers have identical 10-digit formats.
More information:
Landline vs. Mobile Phone Number Formats
In San Francisco and throughout the United States, landline phones and mobile phones have identical phone number formats. Both types of phone numbers are 10-digits long, including a 3-digit area code and a 7-digit subscriber number.
The complete international phone numbers you should use to reach the two types of phones are shown below.
| Landline vs. Mobile | Phone Number Format |
| San Francisco landline phone numbers | idd 1 aaa nnn nnnn |
| San Francisco mobile phone numbers | idd 1 aaa nnn nnnn |
Call San Francisco from Selected Countries
For dialing information on calling San Francisco from specific countries, please follow the country links below. On these pages, you will find country-specific dialing codes, phone number formats, and step-by-step dialing instructions for calling San Francisco, CA from your country.
If your country is not listed, please follow the San Francisco dialing procedure.
Call San Francisco from Any Country
To make an international call to San Francisco, CA, USA, you first need to dial the international access code (aka 'IDD') for your originating country. You can lookup the international access code for your country in the widget below.
| Calling from... | |
| Your IDD | Your IDD will print here |
Insert your IDD at the maroon x's below to create a complete international phone number for dialing San Francisco.
- Phone number format to call a San Francisco landline number:
'idd 1 aaa nnn nnnn ' - Phone number format to call a San Francisco mobile number:
'idd 1 aaa nnn nnnn '
Notes:
- Some countries, e.g., Australia, France, Singapore, use more than one IDD to designate specific carriers, specific countries, or other purposes. Be sure to use the correct code for your carrier or calling plan.
- A '~' symbol indicates a dialing pause. Dial any numbers before the '~', then wait for tone before continuing to dial.
- Dial only the numerical digits shown - any other characters are informational only.
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