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Telephone country code +1 is North America (USA, Canada, etc.), but you need the following three digits to narrow it down further.

  • +1 650 = San Mateo County, California
  • +1 651 = St. Paul, Minnesota
  • +1 657 = Anaheim, California (overlay of +1 714)

The other +1 65X codes have not yet been assigned.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but many countries use different prefixes.)

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Wiki User

12y ago

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