+1 country code 路 United States
Who is calling from +1?
+1 is the country calling code for United States. It goes before the national telephone number when calling from abroad.
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- Country
- United States
- Country calling code
- +1
- Landline format
- +1 212 XXX XXXX
- Mobile format
- +1 201 XXX XXXX
Which country uses the +1 calling code?
+1 is the country calling code for United States. It goes before the national telephone number when calling from abroad.
The United States, Canada and other North American Numbering Plan participants share +1. The next three digits are the area code; +1 alone does not distinguish the United States from Canada or other participants.
How do I call United States from abroad?
Use +1, then the complete national number in international format. The + stands for the international access prefix of the country you are calling from. Follow the leading-digit rule below before entering the rest of the number.
Use +1 followed by the three-digit area code and seven-digit subscriber number. Do not repeat the domestic long-distance prefix 1 after +1.
Use the three-digit area code and seven-digit subscriber number. Local dialling requirements differ by numbering area and provider; some calls also require a leading 1. The United States and Canada share the +1 country calling code with other North American Numbering Plan participants.
Landline and mobile number formats
X marks a digit you must replace with the actual number. These are format illustrations, not numbers to call. Other valid prefixes and lengths may exist in the same numbering plan.
Yes. Landline and mobile numbers in this numbering plan use +1. Their national prefixes and lengths can differ. Use the complete international number when saving a contact for calls or messaging.
Are +1 and 001 the same?
001 reaches the same calling code only where 00 is the international access prefix. It is not universal: the United States and Canada commonly use 011, whilst Australia uses 0011. On mobile phones, use +1 followed by the national number in international format.
Is +1 an area code or an ISO country code?
+1 is a telephone country calling code. An area code identifies a smaller numbering area, whilst ISO country codes are letter identifiers used in other systems. They are not interchangeable.
Does a +1 number prove where the caller is?
No. The country calling code describes the number's numbering plan, not the caller's live location or identity. People can travel, use internet calling or keep a number after moving. Caller ID can also be spoofed.
Sources and verification
Calling-code assignment checked on 16 September 2026. Dialling guidance follows the linked numbering sources.
What can a phone lookup tell you?
Public business listings
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Numbering context
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Sources to compare
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Include the country calling code and every remaining digit when checking a number from abroad.
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+1 country code questions
Which country uses the +1 calling code?
+1 is the country calling code for United States. It goes before the national telephone number when calling from abroad. The United States, Canada and other North American Numbering Plan participants share +1. The next three digits are the area code; +1 alone does not distinguish the United States from Canada or other participants.
How do I call United States from abroad?
Use +1, then the complete national number in international format. The + stands for the international access prefix of the country you are calling from. Follow the leading-digit rule below before entering the rest of the number. Use +1 followed by the three-digit area code and seven-digit subscriber number. Do not repeat the domestic long-distance prefix 1 after +1.
Do I keep the first digit after +1?
Use +1 followed by the three-digit area code and seven-digit subscriber number. Do not repeat the domestic long-distance prefix 1 after +1.
Do mobile numbers also use +1?
Yes. Landline and mobile numbers in this numbering plan use +1. Their national prefixes and lengths can differ. Use the complete international number when saving a contact for calls or messaging.
Are +1 and 001 the same?
001 reaches the same calling code only where 00 is the international access prefix. It is not universal: the United States and Canada commonly use 011, whilst Australia uses 0011. On mobile phones, use +1 followed by the national number in international format.
Does a +1 number prove where the caller is?
No. The country calling code describes the number's numbering plan, not the caller's live location or identity. People can travel, use internet calling or keep a number after moving. Caller ID can also be spoofed.
Do I need an account or a paid plan for a phone lookup?
Reading this directory does not require an account. A full DeepSearch phone lookup requires sign-in and paid access through a plan or credits. Available information varies by number, country and source; caller identity is not guaranteed. View plans and pricing.