Rochester City Council - Ward 4A Share: Rochester City Council - Ward 4A 34 Brock Street Rochester, NH 03867 (603) 335-2873 Rep Info Map Whom to Contact Councilor David Walker Phone: (603) 335-2873 Send an Email View Larger Map Sponsors Service Credit Union Waste Management First Seacoast Bank Eversource Profile Bank D.F. Richard Energy Breezeline HRCU