All fields that appear in the SELECT must either be aggregate functions (count, sum, etc) or must appear in the GROUP BY.
You're missing zip2city.USPSCityName, zip2city.AcceptableCityName, 4_CDS_DelPntRec_AddrType.TypeDesc, 4_CDS_DelPntRec.DelTypeCode, 4_CDS_DelPntRec_DelTypeCode.ResOrBus, 4_CDS_DelPntRec_DelTypeCode.GenYstNst, 4_CDS_DelPntRec.AddrVac90Plus, 4_CDS_DelPntRec.DelPntDrop, 4_CDS_DelPntRec_DelPntDrop.CMRA_Drop_NotDrop, 4_CDS_DelPntRec.DelPntBusFamServicedCount, 4_CDS_DelPntRec.Seasonal, and 4_CDS_DelPntRec_Seasonal.Yes_Not_Edu.
Cheers,
Ben