I got my Employment Verification letter from the company I currently work for in the USA. The letter mentions the company website and all the different locations in the USA along with phone number of each location. However, the person signing the letter just mentions the signer's post but not the direct contact details (direct phone or e-mail). Since the letter mentions the contact details of each location on the side, is it OK for me to use this letter as it is; if the visa officer really wants to investigate, the officer can call a location and find out where the signer is based out of and then try to reach the signer. There is lot of bureaucracy in my company to get a letter, so if the letter is acceptable with current details then will not request for a another one as it may just upset people.