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San Francisco Inbound International DialingTo make an international telephone call to San Francisco, CA from any country worldwide, please follow the dialing procedure shown below. ![]() The United States has highly standardized phones numbers, so the dialing steps are the same whether you are dialing a San Francisco landline phone or a San Francisco mobile phone To dial a San Francisco phone number, you will need: Your dialing procedure may be affected if you are calling San Francisco using a calling card or VoIP phone service. Follow links for more additional information for dialing. Click here for dialing steps by country. Procedure to Dial San Francisco, CA from Any CountryFollow this basic dialing procedure to place an international long-distance call from any country worldwide to a landline or mobile phone number in San Francisco, CA. The procedure outlined below is for direct international dialing from a landline or mobile phone in the home or office. Additional or different dialing steps may be required when calling San Francisco using calling card or VoIP service. 1. Dial international access code / IDD: iddDial your country's international access code (aka international direct dial code or IDD) to initiate a phone call to San Francisco. Lookup your international access code here. Note that some mobile operators do not require dialing an IDD and/or allow use of substitute characters (such as '+') in lieu of dialing an IDD. As well, in many cases you don't dial an IDD when using a calling card or VoIP service. 2. Dial United States country code: + 1Dial country code +1 to reach any location in United States, including San Francisco. Country codes are also known as ISDs or international subscriber dialing codes. If your San Francisco phone number starts with a ' 1 ' - e.g., 1 415 224 1800, don't add a second ' 1 '. Dial just a single ' 1 ' after the international access code. 3. Dial a 10-digit San Francisco phone numberAll San Francisco phone numbers are 10-digits long with two parts: a. Dial a 3-digit San Francisco area code: aaa b. Dial a 7-digit local subscriber number: nnn nnnn Some common San Francisco area codes are: 415 , 650 , and 510 . List of San Francisco area codes Lookup a San Francisco phone numberSteps to Dial San Francisco from a Specific CountryFollow the links below for country-specific dialing instructions for calling San Francisco landline and mobile phones. These pages include originating country access codes and other information. Dialing Tips
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To make an international telephone call to San Francisco, CA from any country worldwide, please follow the dialing procedure shown below. ![]() The United States has highly standardized phones numbers, so the dialing steps are the same whether you are dialing a San Francisco landline phone or a San Francisco mobile phone To dial a San Francisco phone number, you will need: Your dialing procedure may be affected if you are calling San Francisco using a calling card or VoIP phone service. Follow links for more additional information for dialing. Click here for dialing steps by country. Procedure to Dial San Francisco, CA from Any CountryFollow this basic dialing procedure to place an international long-distance call from any country worldwide to a landline or mobile phone number in San Francisco, CA. The procedure outlined below is for direct international dialing from a landline or mobile phone in the home or office. Additional or different dialing steps may be required when calling San Francisco using calling card or VoIP service. 1. Dial international access code / IDD: iddDial your country's international access code (aka international direct dial code or IDD) to initiate a phone call to San Francisco. Lookup your international access code here. Note that some mobile operators do not require dialing an IDD and/or allow use of substitute characters (such as '+') in lieu of dialing an IDD. As well, in many cases you don't dial an IDD when using a calling card or VoIP service. 2. Dial United States country code: + 1Dial country code +1 to reach any location in United States, including San Francisco. Country codes are also known as ISDs or international subscriber dialing codes. If your San Francisco phone number starts with a ' 1 ' - e.g., 1 415 224 1800, don't add a second ' 1 '. Dial just a single ' 1 ' after the international access code. 3. Dial a 10-digit San Francisco phone numberAll San Francisco phone numbers are 10-digits long with two parts: a. Dial a 3-digit San Francisco area code: aaa b. Dial a 7-digit local subscriber number: nnn nnnn Some common San Francisco area codes are: 415 , 650 , and 510 . List of San Francisco area codes Lookup a San Francisco phone numberSteps to Dial San Francisco from a Specific CountryFollow the links below for country-specific dialing instructions for calling San Francisco landline and mobile phones. These pages include originating country access codes and other information. Dialing Tips
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