3-digit ZIP Codes: 4-5
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| 400 KY Louisville East |
401 KY Louisville West |
402 KY* Louisville Main |
403 KY Lexington North |
404 KY Lexington South |
405 KY* Lexington Main |
406 KY Frankfort |
407 KY London West |
408 KY London East |
409 KY London Central |
| 410 KY† Cincinnati (OH) Southeast |
411 KY Ashland North |
412 KY Ashland South |
413 KY Campton South |
414 KY Campton North |
415 KY Pikeville East |
416 KY Pikeville West |
417 KY Hazard West |
418 KY Hazard East |
419 Not in use |
| 420 KY Paducah |
421 KY Bowling Green East |
422 KY Bowling Green West |
423 KY Owensboro |
424 KY† Evansville (IN) South |
425 KY Somerset North |
426 KY Somerset South |
427 KY Elizabethtown |
428 Not in use |
429 Not in use |
| 430 OH Columbus Near North |
431 OH Columbus South |
432 OH* Columbus Main |
433 OH Columbus Distant North |
434 OH Toledo East |
435 OH Toledo West |
436 OH* Toledo Main |
437 OH Zanesville South |
438 OH Zanesville North |
439 OH Steubenville |
| 440 OH Cleveland Vicinity |
441 OH* Cleveland Main |
442 OH Akron Vicinity |
443 OH* Akron Main |
444 OH Youngstown Vicinity |
445 OH* Youngstown Main |
446 OH Canton Vicinity |
447 OH* Canton Main |
448 OH Mansfield Vicinity |
449 OH* Mansfield Main |
| 450 OH Cincinnati West |
451 OH Cincinnati East |
452 OH* Cincinnati Main |
453 OH Dayton Vicinity |
454 OH* Dayton Main |
455 OH* Springfield |
456 OH Chillicothe |
457 OH Athens |
458 OH Lima |
459 OH Cincinnati IRS |
| 460 IN Indianapolis North |
461 IN Indianapolis South |
462 IN* Indianapolis Main |
463 IN Gary Vicinity |
464 IN* Gary Main |
465 IN South Bend Vicinity |
466 IN* South Bend Main |
467 IN Fort Wayne Vicinity |
468 IN* Fort Wayne Main |
469 IN Kokomo |
| 470 IN† Cincinnati (OH) West |
471 IN† Louisville (KY) Northwest |
472 IN Columbus |
473 IN Muncie |
474 IN Bloomington |
475 IN Terre Haute South |
476 IN Evansville Vicinity |
477 IN* Evansville Main |
478 IN Terre Haute North |
479 IN Lafayette |
| 480 MI Royal Oak East |
481 MI Detroit Southwest |
482 MI* Detroit Main |
483 MI Royal Oak West |
484 MI Flint Vicinity |
485 MI* Flint Main |
486 MI Saginaw West |
487 MI Saginaw East |
488 MI Lansing Vicinity |
489 MI* Lansing Main |
| 490 MI Kalamazoo Central |
491 MI Kalamazoo Southwest |
492 MI Jackson |
493 MI Grand Rapids East |
494 MI Grand Rapids West |
495 MI* Grand Rapids Main |
496 MI Traverse City |
497 MI Gaylord |
498 MI Iron Mountain East |
499 MI Iron Mountain West |
| 500 IA Des Moines (A-F) |
501 IA Des Moines (G-M) |
502 IA Des Moines (N-Z) |
503 IA* Des Moines Main |
504 IA Mason City |
505 IA Fort Dodge |
506 IA Waterloo Vicinity |
507 IA* Waterloo Main |
508 IA Creston |
509 IA Des Moines Northeast |
| 510 IA Sioux City East |
511 IA* Sioux City Main |
512 IA Sheldon |
513 IA Spencer |
514 IA Carroll |
515 IA† Omaha (NE) East |
516 Not in use |
517 Not in use |
518 Not in use |
519 Not in use |
| 520 IA Dubuque |
521 IA Decorah |
522 IA Cedar Rapids (A-L) |
523 IA Cedar Rapids (M-Z) |
524 IA* Cedar Rapids Main |
525 IA Ottumwa |
526 IA Burlington |
527 IA† Rock Island (IL) Northwest |
528 IA* Davenport |
529 Not in use |
| 530 WI Milwaukee North |
531 WI Milwaukee South |
532 WI* Milwaukee Main |
533 Not in use |
534 WI* Racine |
535 WI Madison Vicinity |
536 Not in use |
537 WI* Madison Main |
538 WI Madison West |
539 WI Portage |
| 540 WI† Saint Paul (MN) East |
541 WI Green Bay West |
542 WI Green Bay East |
543 WI* Green Bay Main |
544 WI Wausau |
545 WI Rhinelander |
546 WI La Crosse |
547 WI Eau Claire |
548 WI Spooner |
549 WI Oshkosh |
| 550 MN Saint Paul Vicinity |
551 MN* Saint Paul Main |
552 Not in use |
553 MN Minneapolis West (1) |
554 MN* Minneapolis Main |
555 MN Minneapolis West (2) |
556 MN North Shore |
557 MN Arrowhead region |
558 MN* Duluth City & suburbs only |
559 MN Rochester |
| 560 MN Mankato |
561 MN Windom |
562 MN Willmar |
563 MN Saint Cloud |
564 MN Brainerd |
565 MN Detroit Lakes |
566 MN Bemidji |
567 MN† Thief River Falls |
568 Not in use |
569 DC* Washington Parcel return |
| 570 SD Sioux Falls Vicinity |
571 SD* Sioux Falls Main |
572 SD Watertown |
573 SD Mitchell |
574 SD Aberdeen |
575 SD Pierre |
576 SD Mobridge |
577 SD Rapid City |
578 Not in use |
579 Not in use |
| 580 ND Fargo Vicinity |
581 ND* Fargo Main |
582 ND Grand Forks |
583 ND Devils Lake |
584 ND Jamestown |
585 ND Bismarck |
586 ND Dickinson |
587 ND Minot |
588 ND Williston |
589 Not in use |
| 590 MT Billings Vicinity |
591 MT* Billings Main |
592 MT Wolf Point |
593 MT Miles City |
594 MT Great Falls |
595 MT Havre |
596 MT Helena |
597 MT Butte |
598 MT Missoula |
599 MT Kalispell |
ZIP Codes: All States - 3-digit starting with: 0-1 - 2-3 - 4-5 - 6-7 - 8-9
