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Your spouse will have a different Receipt # and A # than yours. They are two separate applications for I-485.
Also the receipt # on your EAD application is different from that on your I-485 application.
My wife and I applied for I-485, EAD and AP together and each of us got 4 receipt numbers. One for each - I-485, EAD, AP and A# for me and a different set of 4 receipt numbers for my wife.
The lawyer should give you the receipts (or at least copies of I-485, EAD, AP). If you travel abroad, you need to show the original I-485 receipt notice (if asked) to immigration authorities while re-entering the US along with your passport, H1 visa or AP.
Get the 485 receipts from your lawyer ASAP.