ZIP code prefix to state table
The ZIP finder on this site uses the first three digits of a ZIP code. This is the table it uses. Mainstay Filing, our best overall pick, serves every state listed. 15 prefixes (marked below) have ZIP areas in more than one state, and DC, territories and military addresses are not covered.
| Prefixes | State |
|---|---|
| 010 to 027 | Massachusetts |
| 028 to 029 | Rhode Island |
| 030 to 034 | New Hampshire |
| 036 to 038 | New Hampshire |
| 039 to 049 | Maine |
| 050 to 054 | Vermont |
| 056 to 059 | Vermont |
| 060 to 062 | Connecticut |
| 064 to 069 | Connecticut |
| 070 to 089 | New Jersey |
| 100 to 149 | New York |
| 150 to 191 | Pennsylvania |
| 193 to 196 | Pennsylvania |
| 197 to 199 | Delaware |
| 201 | Virginia |
| 206 to 212 | Maryland |
| 214 to 219 | Maryland |
| 220 to 246 | Virginia |
| 247 to 268 | West Virginia |
| 270 to 289 | North Carolina |
| 290 to 299 | South Carolina |
| 300 to 310 | Georgia |
| 312 to 319 | Georgia |
| 320 to 331 | Florida |
| 333 to 339 | Florida |
| 341 to 342 | Florida |
| 344 | Florida |
| 346 to 347 | Florida |
| 349 | Florida |
| 350 to 352 | Alabama |
| 354 to 369 | Alabama |
| 370 to 374 | Tennessee |
| 376 to 385 | Tennessee |
| 386 to 397 | Mississippi |
| 398 | Georgia |
| 400 to 418 | Kentucky |
| 420 to 421 | Kentucky |
| 423 to 427 | Kentucky |
| 430 to 458 | Ohio |
| 460 to 479 | Indiana |
| 480 to 499 | Michigan |
| 500 to 508 | Iowa |
| 510 to 516 | Iowa |
| 520 to 528 | Iowa |
| 530 to 532 | Wisconsin |
| 534 to 535 | Wisconsin |
| 537 to 549 | Wisconsin |
| 550 to 551 | Minnesota |
| 553 to 554 | Minnesota |
| 556 to 561 | Minnesota |
| 563 to 567 | Minnesota |
| 570 to 575 | South Dakota |
| 577 | South Dakota |
| 580 to 588 | North Dakota |
| 590 to 599 | Montana |
| 600 to 620 | Illinois |
| 622 to 629 | Illinois |
| 630 to 631 | Missouri |
| 633 to 641 | Missouri |
| 644 to 648 | Missouri |
| 650 to 658 | Missouri |
| 660 to 662 | Kansas |
| 664 to 679 | Kansas |
| 680 to 681 | Nebraska |
| 683 to 693 | Nebraska |
| 700 to 701 | Louisiana |
| 703 to 708 | Louisiana |
| 710 to 714 | Louisiana |
| 716 to 722 | Arkansas |
| 724 to 729 | Arkansas |
| 730 to 731 | Oklahoma |
| 734 to 738 | Oklahoma |
| 740 to 741 | Oklahoma |
| 743 to 749 | Oklahoma |
| 750 to 770 | Texas |
| 772 to 797 | Texas |
| 799 | Texas |
| 800 to 816 | Colorado |
| 821 to 828 | Wyoming |
| 830 | Wyoming |
| 832 to 833 | Idaho |
| 835 to 838 | Idaho |
| 840 to 841 | Utah |
| 843 to 847 | Utah |
| 850 to 853 | Arizona |
| 855 to 857 | Arizona |
| 859 to 860 | Arizona |
| 863 to 864 | Arizona |
| 870 to 871 | New Mexico |
| 873 to 875 | New Mexico |
| 877 to 884 | New Mexico |
| 890 to 891 | Nevada |
| 893 | Nevada |
| 895 | Nevada |
| 897 to 898 | Nevada |
| 900 | California |
| 902 to 908 | California |
| 910 to 928 | California |
| 930 to 937 | California |
| 939 to 941 | California |
| 943 to 961 | California |
| 967 to 968 | Hawaii |
| 970 to 975 | Oregon |
| 977 to 979 | Oregon |
| 980 to 986 | Washington |
| 988 to 994 | Washington |
| 995 to 999 | Alaska |
Prefixes in more than one state
035 (ME, NH); 063 (CT, NY); 422 (KY, TN); 562 (MN, SD); 576 (ND, SD); 723 (AR, TN); 739 (OK, TX); 798 (NM, TX); 820 (CO, WY); 829 (UT, WY); 831 (ID, WY); 834 (ID, WY); 865 (AZ, NM); 894 (NV, OR); 976 (CA, OR).
Source: U.S. Census Bureau, 2020 ZCTA-to-County Relationship File (tab20_zcta520_county20_natl.txt), file dated December 9, 2021, downloaded October 21, 2026, census.gov. A prefix lists the states of the ZIP areas (ZCTAs) inside it. Confirm with your mailing address; a ZIP code can cross a state line.