Addresses on 21st St in Cedar Rapids Iowa
- 31 21st Ave
- 38 21st Ave
- 39 21st Ave
- 43 21st Ave
- 47 21st Ave
- 51 21st Ave
- 54 21st Ave
- 55 21st Ave
- 58 21st Ave
- 59 21st Ave
- 62 21st Ave
- 63 21st Ave
- 65 21st Ave
- 67 21st Ave
- 68 21st Ave
- 72 21st Ave
- 76 21st Ave
- 77 21st Ave
- 80 21st Ave
- 84 21st Ave
- 85 21st Ave
- 87 21st Ave
- 90 21st Ave
- 95 21st Ave
- 99 21st Ave
- 100 21st St
- 108 21st St
- 113 21st St
- 114 21st St
- 117 21st St
- 119 21st St
- 120 21st St
- 121 21st St
- 124 21st St
- 125 21st St
- 125 21st St
- 126 21st Ave
- 126 21st Ave
- 126 21st Ave
- 126 21st Ave
- 126 21st Ave
- 127 21st St
- 131 21st St
- 132 21st Ave
- 132 21st Ave
- 132 21st Ave
- 132 21st Ave
- 132 21st Ave
- 133 21st St
- 134 21st Ave
- 134 21st Ave
- 134 21st Ave
- 134 21st Ave
- 134 21st Ave
- 134 21st Ave
- 135 21st St
- 136 21st Ave
- 136 21st Ave
- 136 21st Ave
- 136 21st St
- 136 21st Ave
- 139 21st St
- 140 21st Ave
- 140 21st Ave
- 140 21st Ave
- 141 21st St
- 143 21st St
- 144 21st St
- 144 21st Ave
- 146 21st Ave
- 147 21st St
- 148 21st Ave
- 150 21st St
- 150 21st Ave
- 155 21st St
- 156 21st St
- 171 21st Ave
- 182 21st Ave
- 183 21st Ave
- 184 21st Ave
- 185 21st Ave
- 186 21st Ave
- 187 21st Ave
- 189 21st Ave
- 190 21st Ave
- 191 21st Ave
- 192 21st Ave
- 193 21st Ave
- 195 21st Ave
- 197 21st Ave
- 199 21st Ave
- 201 21st St
- 201 21st St
- 205 21st St
- 211 21st Ave
- 211 21st St
- 212 21st Ave
- 214 21st Ave
- 214 21st St
- 215 21st St
- 216 21st Ave
- 218 21st Ave