Addresses on 21st Ave in Duluth Minnesota
- 12 N 21st Ave
- 18 N 21st Ave
- 21 N 21st Ave
- 21 N 21st Ave
- 24 N 21st Ave
- 24 N 21st Ave
- 25 N 21st Ave
- 27 S 21st Ave
- 28 S 21st Ave
- 28 S 21st Ave
- 28 S 21st Ave
- 32 N 21st Ave
- 102 S 21st Ave
- 102 S 21st Ave
- 122 N 21st Ave
- 131 N 21st Ave
- 201 N 21st Ave
- 201 S 21st Ave
- 206 S 21st Ave
- 209 N 21st Ave
- 219 S 21st Ave
- 222 S 21st Ave
- 225 N 21st Ave
- 225 N 21st Ave
- 227 N 21st Ave
- 229 S 21st Ave
- 301 N 21st Ave
- 305 S 21st Ave
- 313 S 21st Ave
- 313 S 21st Ave
- 313 S 21st Ave
- 313 S 21st Ave
- 313 N 21st Ave
- 313 S 21st Ave
- 317 N 21st Ave
- 318 N 21st Ave
- 318 N 21st Ave
- 318 N 21st Ave
- 318 N 21st Ave
- 318 N 21st Ave
- 319 N 21st Ave
- 319 N 21st Ave
- 319 N 21st Ave
- 320 N 21st Ave
- 322 N 21st Ave
- 322 N 21st Ave
- 322 N 21st Ave
- 322 N 21st Ave
- 322 N 21st Ave
- 322 N 21st Ave
- 322 N 21st Ave
- 332 N 21st Ave
- 332 N 21st Ave
- 332 N 21st Ave
- 332 N 21st Ave
- 332 N 21st Ave
- 332 N 21st Ave
- 415 N 21st Ave
- 416 N 21st Ave
- 417 N 21st Ave
- 417 N 21st Ave
- 419 N 21st Ave
- 420 N 21st Ave
- 420 N 21st Ave
- 420 N 21st Ave
- 420 N 21st Ave
- 421 N 21st Ave
- 421 N 21st Ave
- 428 N 21st Ave
- 501 N 21st Ave
- 505 N 21st Ave
- 509 N 21st Ave
- 512 N 21st Ave
- 513 N 21st Ave
- 517 N 21st Ave
- 519 N 21st Ave
- 521 N 21st Ave