For City employees please call the DCAS Employment Verification line at 212-669-1357, option 7, then 1. Edu indicating the specifics needed on the letter:.Click on Request Verification of Employment and Compensation. Note: If you use a pop-up blocker, you may have to disable it to display your. Through Online Job Offers, prospective employees can view, decline, accept and complete pending job offers. To get proof of employment, you may need to request a verification of employment letter from your current or previous employer. Hundreds of USPS jobs available in Queens and Long Island. USPS is hosting multiple jobs fairs in the area to assist in the application process. For the purpose of completing the I-9 form, please bring appropriate evidence of identity and employment eligibility with you when you report to work. START HERE: Employers must ensure the form instructions are available to employees when completing this form.