Where is telephone country code 1 908?

Telephone country code +1 is North America, including the USA, Canada, and 18 islands in or near the Caribbean.

Area code +1 908 includes Elizabeth, New Jersey, USA.

(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 Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)