Where in North America is area code 643?

Answer 1

There is no area code +1 643 in North America (USA, Canada, etc.).

Mexican area code 643 (+52 643 for landlines, +52 1 643 for mobiles) is part of the state of Sonora.

Country code +64 is New Zealand, and +64 3 is the area code for the South Island and the Chatham Islands, including Christchurch.

(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 North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)

Answer 2

North American area code +1 645 is unassigned. It is not currently in use.

Telephone country code +64 is New Zealand.

(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 North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)

Answer 3

There is no area code +1 640 in North America (USA, Canada, etc.).

Country code +64 is New Zealand, but there are no valid numbers beginning +64 0.

(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 North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)

Answer 4

In North America (USA, Canada, etc.), telephone area code 639 is an overlay on area code 306, serving the entire Canadian province of Saskatchewan.