back and forth
backwards and forwards, first one way and then the other way
The argument went back and forth before the judge made a decision.
Global Dial Code
Exit Country Code + 594 + The Number
The Guiana country code is 594. The nationality of Guiana is Guianans.The capital of Guiana is Conakry. Local Telephone Prefix: No trunk codes in Guiana, just dial direct when calling domestic.