Labels:reckoner | sky | window OCR: Rules for correct entries: 888-8888 [x[88888] 888-888-8888 [x[88888]] (888) 888-8888 [x[88888]] 8888888 [x[88888]] 8888888888 [x[88888] ] Notes: "8" represents single digit (0 through 9). No letters are allowed. Area codes and extensions are optional. The extension may have from zero to five digits and must be preceded by an period (. or slash (/) may be used instead ofa dash (-) to separate the parts of the phone number "555 2128 or "555/2128").