| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| 15Th Avenue Post Office | Gary, IN 46407 | 1490 Broadway | 2198826472 | View Details Get Directions |
| Cedar Lake Post Office | Cedar Lake, IN 46303 | 9715 W 133rd Ave | 2193747633 | View Details Get Directions |
| Crown Point Post Office | Crown Point, IN 46307 | 128 S East St | 2196630805 | View Details Get Directions |
| Crown Point Annex Post Office | Crown Point, IN 46307 | 1280 E Summit St | 2196630062 | View Details Get Directions |
| Dyer Post Office | Dyer, IN 46311 | 2225 Great Lakes Dr | 2198651267 | View Details Get Directions |
| East Chicago Post Office | East Chicago, IN 46312 | 901 E Chicago Ave | 2193972415 | View Details Get Directions |
| Glen Park Post Office | Gary, IN 46409 | 320 E 40th Ave | 2194842043 | View Details Get Directions |
| Griffith Post Office | Griffith, IN 46319 | 900 N Broad St | 2198384140 | View Details Get Directions |
| Hammond Post Office | Hammond, IN 46320 | 5530 Sohl Ave | 2199322757 | View Details Get Directions |
| Harbor Post Office | East Chicago, IN 46312 | 3813 Main St | 2193972417 | View Details Get Directions |
| Hebron Post Office | Hebron, IN 46341 | 107 N Washington St | 2199966181 | View Details Get Directions |
| Hessville Post Office | Hammond, IN 46323 | 6530 Kennedy Ave | 2198442416 | View Details Get Directions |
| Highland Post Office | Highland, IN 46322 | 8500 Kennedy Ave | 2198381248 | View Details Get Directions |
| Hobart Post Office | Hobart, IN 46342 | 221 Main St | 2199422721 | View Details Get Directions |
| Lake Station Post Office | Lake Station, IN 46405 | 2901 Central Ave | 2199621880 | View Details Get Directions |
| Lowell Post Office | Lowell, IN 46356 | 202 Washington St | 2196968594 | View Details Get Directions |
| Merrillville Post Office | Merrillville, IN 46410 | 303 W 80th Pl | 2197692155 | View Details Get Directions |
| Miller Post Office | Gary, IN 46403 | 518 S Hancock St | 2199389701 | View Details Get Directions |
| Munster Post Office | Munster, IN 46321 | 915 Ridge Rd Bldg 2 | 2198368225 | View Details Get Directions |
| Munster Post Office | Munster, IN 46321 | 917 Ridge Rd | 2198368005 | View Details Get Directions |
| Saint John Post Office | Saint John, IN 46373 | 9200 Thiel St | 2193654254 | View Details Get Directions |
| Schererville Post Office | Schererville, IN 46375 | 1200 Eagle Ridge Dr | 2193224601 | View Details Get Directions |
| Schneider Post Office | Schneider, IN 46376 | 23914 Parrish Ave | 2195520700 | View Details Get Directions |
| Shelby Post Office | Shelby, IN 46377 | 23323 Shelby Rd | 2195520122 | View Details Get Directions |
| South Calumet Avenue Post Office | Hammond, IN 46324 | 7142 Calumet Ave | 2199320346 | View Details Get Directions |
| Tolleston Post Office | Gary, IN 46404 | 2407 W 11th Ave | 2199447795 | View Details Get Directions |
| Whiting Post Office | Whiting, IN 46394 | 1501 119th St | 2196590593 | View Details Get Directions |
| Mailbox in Post Office Lobby | Schneider, IN 46376 | 23914 Parrish St | -- | Get Directions |
| Public Collection Box | Dyer, IN 46311 | 1 Town Sq | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 1000 116th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 10335 Prairie Ave | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 10645 Randolph St | -- | Get Directions |
| Public Collection Box | Hebron, IN 46341 | 108 Mcintosh Blvd | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 10809 Randolph St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 1100 Fran Lin Pkwy | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 1104 119th St | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 11055 Broadway | -- | Get Directions |
| Public Collection Box | Griffith, IN 46319 | 111 N Broad St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 115 Sibley St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 12 Ridge Rd | -- | Get Directions |
| Public Collection Box | Dyer, IN 46311 | 1200 Sheffield Ave | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 1201 S Main St | -- | Get Directions |
| Public Collection Box | Schererville, IN 46375 | 123 Country Club Dr | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 1276 N Main St | -- | Get Directions |
| Public Collection Box | Gary, IN 46404 | 1300 Clark Rd | -- | Get Directions |
| Public Collection Box | Griffith, IN 46319 | 1319 W Glen Park Ave | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 1334 119th St | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 1350 S Lake Park Ave | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 1386 Lehman Dr | -- | Get Directions |
| Public Collection Box | East Chicago, IN 46312 | 1405 E Columbus Dr | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 1413 Indianapolis Blvd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46324 | 1429 173rd St | -- | Get Directions |
| Public Collection Box | Griffith, IN 46319 | 1448 N Griffith Blvd | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 1500 S Lake Park Ave | -- | Get Directions |
| Public Collection Box | Schererville, IN 46375 | 1515 Us Highway 41 | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 1520 S Court St | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 1643 Calumet Ave | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 17 N Court St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 1730 45th Ave | -- | Get Directions |
| Public Collection Box | Hebron, IN 46341 | 18011 Colorado St | -- | Get Directions |
| Public Collection Box | Schererville, IN 46375 | 1806 Robinhood Blvd | -- | Get Directions |
| Public Collection Box | Griffith, IN 46319 | 1818 Park West Blvd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 1830 45th Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 1861 E 37th Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 1890 South Lake Mall | -- | Get Directions |
| Public Collection Box | Gary, IN 46407 | 1900 Harrison St | -- | Get Directions |
| Public Collection Box | Lowell, IN 46356 | 1914 E Commercial Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 1935 South Lake Mall | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 1950 Cottonwood Ct | -- | Get Directions |
| Public Collection Box | Gary, IN 46405 | 1969 Central Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 2033 45th St | -- | Get Directions |
| Public Collection Box | Lowell, IN 46356 | 204 Prairie St | -- | Get Directions |
| Public Collection Box | Lowell, IN 46356 | 2052 E Commercial Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 210 Center St | -- | Get Directions |
| Public Collection Box | Gary, IN 46407 | 2100 Carolina St | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 2100 Lake Ave | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 2100 N Main St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 2140 Martha St | -- | Get Directions |
| Public Collection Box | Schererville, IN 46375 | 2142 Sherwood Lake Dr | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2200 173rd St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2205 169th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2217 Tanglewood Dr | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 2300 South Lake Mall | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 232 Russell St | -- | Get Directions |
| Public Collection Box | Dyer, IN 46311 | 233 Carnation St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2429 169th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2502 171st St | -- | Get Directions |
| Public Collection Box | Gary, IN 46406 | 2510 Burr St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2621 173rd St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 2635 169th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 2648 Highway Ave | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 2706 New York Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 2842 45th St | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 297 W Franciscan Dr | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 3004 100th St | -- | Get Directions |
| Public Collection Box | Gary, IN 46405 | 3115 Central Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 3149 165th St | -- | Get Directions |
| Public Collection Box | Hebron, IN 46341 | 3231 E 181st Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 3250 Michigan St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 3304 Condit St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 3333 169th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 3333 Ridge Rd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 3408 165th St | -- | Get Directions |
| Public Collection Box | Gary, IN 46408 | 3612 Village Ct | -- | Get Directions |
| Public Collection Box | Gary, IN 46408 | 3680 Broadway | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 3700 E Lincoln Hwy | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 3721 165th St | -- | Get Directions |
| Public Collection Box | Gary, IN 46408 | 3981 Cleveland St | -- | Get Directions |
| Public Collection Box | Gary, IN 46402 | 400 Broadway | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 400 N Lake Park Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46402 | 401 Broadway | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 414 Main St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 4204 Calumet Ave | -- | Get Directions |
| Public Collection Box | Griffith, IN 46319 | 430 W Ridge Rd | -- | Get Directions |
| Public Collection Box | Dyer, IN 46311 | 447 Northgate Dr | -- | Get Directions |
| Public Collection Box | Gary, IN 46406 | 4511 W 5th Ave | -- | Get Directions |
| Public Collection Box | East Chicago, IN 46312 | 4518 Indianapolis Blvd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46327 | 4531 Hohman Ave | -- | Get Directions |
| Public Collection Box | East Chicago, IN 46312 | 4801 White Oak Ave | -- | Get Directions |
| Public Collection Box | Schererville, IN 46375 | 49 E Wilhelm St | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 500 W Lincoln Hwy | -- | Get Directions |
| Public Collection Box | Gary, IN 46403 | 5001 Us Highway 12 | -- | Get Directions |
| Public Collection Box | Griffith, IN 46319 | 501 Industrial Dr | -- | Get Directions |
| Public Collection Box | Gary, IN 46402 | 506 Broadway | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 509 Douglas St | -- | Get Directions |
| Public Collection Box | Lowell, IN 46356 | 512 E Commercial Ave | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 5191 W Lincoln Hwy | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 522 E 86th Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5246 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5265 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5311 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 534 E 37th Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 5386 Broadway | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5500 Hohman Ave | -- | Get Directions |
| Public Collection Box | East Chicago, IN 46312 | 5536 Reading Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46402 | 555 Polk St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5706 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5900 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5903 Calumet Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 5925 Calumet Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46320 | 6008 Columbia Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46408 | 6030 W Ridge Rd | -- | Get Directions |
| Public Collection Box | Gary, IN 46402 | 610 Connecticut St | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 611 W Lincoln Hwy | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 6111 Harrison St | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 6140 Broadway | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 648 114th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 6503 Ohio Ave | -- | Get Directions |
| Public Collection Box | Lowell, IN 46356 | 651 E Commercial Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 6712 Parrish Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46324 | 6720 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 6850 New Hampshire Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 7048 Kennedy Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 705 E 4th St | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 707 E 80th Pl | -- | Get Directions |
| Public Collection Box | Hammond, IN 46324 | 7103 Northcote Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46324 | 7120 Indianapolis Blvd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 716 Ridge Rd | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 7215 Taft St | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 725 W Elizabeth Dr | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 7303 Grand Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 7319 Arkansas Ave | -- | Get Directions |
| Public Collection Box | Cedar Lake, IN 46303 | 7408 Constitution Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46323 | 7502 Missouri Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 7550 Hohman Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 7760 E Ridge Rd | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 7800 Whitcomb St | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 7895 Broadway | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 7915 Taft St | -- | Get Directions |
| Public Collection Box | Hebron, IN 46341 | 800 Country Square Plz | -- | Get Directions |
| Public Collection Box | Schererville, IN 46375 | 800 E Joliet St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 8241 Hohman Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 8310 Broadway | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 8401 Indianapolis Blvd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 8531 5th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 8700 Monroe Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 8701 Broadway | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 8845 Osborne Rd | -- | Get Directions |
| Public Collection Box | Gary, IN 46403 | 8901 E 5th Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 8932 White Oak Ave | -- | Get Directions |
| Public Collection Box | Gary, IN 46410 | 9001 Broadway | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 9001 Indianapolis Blvd | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 901 Macarthur Blvd | -- | Get Directions |
| Public Collection Box | Crown Point, IN 46307 | 9101 E 109th Ave | -- | Get Directions |
| Public Collection Box | Saint John, IN 46373 | 9151 Wicker Ave | -- | Get Directions |
| Public Collection Box | Saint John, IN 46373 | 9280 Wicker Ave | -- | Get Directions |
| Public Collection Box | Whiting, IN 46394 | 932 119th St | -- | Get Directions |
| Public Collection Box | Saint John, IN 46373 | 9321 Wicker Ave | -- | Get Directions |
| Public Collection Box | Hammond, IN 46324 | 939 175th St | -- | Get Directions |
| Public Collection Box | Hammond, IN 46321 | 9529 Fran Lin Pkwy | -- | Get Directions |
| Public Collection Box | Hammond, IN 46322 | 9626 Cline Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 97 Bracken Pkwy | -- | Get Directions |
| Public Collection Box | Saint John, IN 46373 | 9770 Wicker Ave | -- | Get Directions |
| Public Collection Box | Saint John, IN 46373 | 9800 Wicker Ave | -- | Get Directions |
| Public Collection Box | Saint John, IN 46373 | 9825 Wicker Ave | -- | Get Directions |
| Public Collection Box | Hobart, IN 46342 | 999 W Old Ridge Rd | -- | Get Directions |
