Category: <b>resident utilities</b>
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<pre><b>INT B3 - ZIPKEY - LOOK UP CITY AND STATE FOR ZIPCODE</b>

	AH = 76h
	DX = zipcode region (0-999)
	CH = last two digits of zipcode (0-99)
	ES:DI -&gt; buffer for name
Return: CF set on error
	    AL = suggested state code, FFh if none
	    ES:DI buffer filled with suggested city name
	CF clear if successful
	    AL = ZIPKEY state code
	    BX = area code (v2.0+)
	    ES:DI points one byte beyond end of name
SeeAlso: AH=75h,AH=78h,AH=7Eh
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