First three digits · Illinois
ZIP Codes Starting with
83 ZIP codes start with 629, sorted at the St Louis, MO (SCF 630) sectional center (USPS labeling list L005, effective October 1, 2026) in Illinois: 78 residential ZIP codes across 13 counties and 5 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 629 mean?
The first digit, 6, is one of ten national areas (Illinois, Kansas, Missouri and Nebraska). The first three, 629, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 629 to the St Louis, MO (SCF 630) facility. The last two digits pick the delivery area. By residents, the largest town names among the 629 ZIP codes are Carbondale, Marion, Murphysboro, Herrin, Harrisburg and Metropolis.
The same facility sorts 12 prefixes, 714 ZIP codes in all: 620, 622, 628, 629, 630, 631, 633, 634, 636, 637, 638, 639.
Where are the 629 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 629
| County | ||||||
|---|---|---|---|---|---|---|
| 62901 | Carbondale | Jackson County | 22,946 | 848 | $35k | $147k |
| 62902 | Carbondale | Williamson County | 4,135 | 64 | $84k | $208k |
| 62903 | Carbondale | Jackson County | 2,666 | 132 | $47k | $170k |
| 62905 | Alto Pass | Union County | 779 | 23 | $53k | $108k |
| 62906 | Anna | Union County | 7,329 | 121 | $42k | $145k |
| 62907 | Ava | Jackson County | 2,013 | 21 | $84k | $162k |
| 62908 | Belknap | Massac County | 440 | 9 | $90k | $161k |
| 62909 | Boles | Johnson County | PO Box or unique | – | – | – |
| 62910 | Brookport | Massac County | 1,993 | 19 | $60k | $85k |
| 62912 | Buncombe | Johnson County | 1,515 | 29 | $64k | $109k |
| 62914 | Cairo | Alexander County | 1,765 | 88 | $41k | $32k |
| 62915 | Cambria | Williamson County | 384 | 1,211 | $32k | $107k |
| 62916 | Campbell Hill | Jackson County | 925 | 20 | $86k | $101k |
| 62917 | Carrier Mills | Saline County | 2,303 | 77 | $50k | $73k |
| 62918 | Carterville | Williamson County | 10,658 | 284 | $71k | $200k |
| 62919 | Cave In Rock | Hardin County | 819 | 17 | $64k | $162k |
| 62920 | Cobden | Union County | 2,959 | 42 | $55k | $153k |
| 62921 | Colp | Williamson County | 233 | 436 | – | $75k |
| 62922 | Creal Springs | Williamson County | 2,608 | 41 | $74k | $175k |
| 62923 | Cypress | Johnson County | 441 | 19 | $52k | $79k |
| 62924 | De Soto | Jackson County | 3,168 | 80 | $70k | $103k |
| 62926 | Dongola | Union County | 1,998 | 26 | $65k | $113k |
| 62927 | Dowell | Jackson County | 317 | 186 | $55k | $52k |
| 62928 | Eddyville | Pope County | 103 | 8 | $28k | – |
| 62930 | Eldorado | Saline County | 5,761 | 82 | $53k | $93k |
| 62931 | Elizabethtown | Hardin County | 1,348 | 14 | $50k | $105k |
| 62932 | Elkville | Jackson County | 1,152 | 28 | $46k | $82k |
| 62933 | Energy | Williamson County | 1,101 | 457 | $68k | $156k |
| 62934 | Equality | Gallatin County | 833 | 12 | $54k | $86k |
| 62935 | Galatia | Saline County | 2,178 | 35 | $60k | $105k |
| 62938 | Golconda | Pope County | 2,622 | 16 | $64k | $114k |
| 62939 | Goreville | Johnson County | 2,958 | 66 | $66k | $173k |
| 62940 | Gorham | Jackson County | 645 | 23 | $64k | $29k |
| 62941 | Grand Chain | Pulaski County | 639 | 21 | $48k | $139k |
| 62942 | Grand Tower | Jackson County | 628 | 25 | $37k | $52k |
| 62943 | Grantsburg | Johnson County | 428 | 11 | $83k | $139k |
| 62946 | Harrisburg | Saline County | 11,256 | 77 | $52k | $97k |
| 62947 | Herod | Pope County | 408 | 6 | $47k | $147k |
| 62948 | Herrin | Williamson County | 12,758 | 637 | $61k | $117k |
| 62949 | Hurst | Williamson County | 702 | 420 | $37k | $75k |
| 62950 | Jacob | Jackson County | 76 | 2 | $70k | $89k |
| 62951 | Johnston City | Williamson County | 5,342 | 193 | $51k | $100k |
| 62952 | Jonesboro | Union County | 2,852 | 30 | $64k | $119k |
| 62953 | Joppa | Massac County | 259 | 481 | $42k | $45k |
| 62954 | Junction | Gallatin County | 411 | 8 | $68k | $90k |
| 62955 | Karbers Ridge | Hardin County | PO Box or unique | – | – | – |
| 62956 | Karnak | Massac County | 1,172 | 43 | $74k | $129k |
| 62957 | McClure | Alexander County | 640 | 14 | $46k | $71k |
| 62958 | Makanda | Jackson County | 2,103 | 43 | $66k | $152k |
| 62959 | Marion | Williamson County | 27,793 | 194 | $71k | $175k |
| 62960 | Metropolis | Massac County | 10,783 | 96 | $63k | $133k |
| 62961 | Millcreek | Union County | 37 | 108 | $151k | – |
| 62962 | Miller City | Alexander County | no residents | 0 | – | – |
| 62963 | Mound City | Pulaski County | 713 | 171 | $55k | $53k |
| 62964 | Mounds | Pulaski County | 1,109 | 43 | $32k | – |
| 62965 | Muddy | Saline County | 79 | 93 | – | – |
| 62966 | Murphysboro | Jackson County | 13,945 | 126 | $56k | $142k |
| 62967 | New Burnside | Johnson County | 309 | 47 | $62k | $117k |
| 62969 | Olive Branch | Alexander County | 314 | 22 | – | $62k |
| 62970 | Olmsted | Pulaski County | 465 | 15 | $34k | $115k |
| 62971 | Oraville | Jackson County | PO Box or unique | – | – | – |
| 62972 | Ozark | Johnson County | 1,056 | 20 | $84k | $189k |
| 62973 | Perks | Pulaski County | PO Box or unique | – | – | – |
| 62974 | Pittsburg | Williamson County | 1,536 | 59 | $64k | $199k |
| 62975 | Pomona | Jackson County | 207 | 8 | $89k | – |
| 62976 | Pulaski | Pulaski County | 392 | 16 | $40k | $101k |
| 62977 | Raleigh | Saline County | 599 | 28 | $68k | $155k |
| 62979 | Ridgway | Gallatin County | 930 | 19 | $51k | $85k |
| 62982 | Rosiclare | Hardin County | 1,016 | 131 | $44k | $61k |
| 62983 | Royalton | Franklin County | 1,728 | 74 | $58k | $78k |
| 62984 | Shawneetown | Gallatin County | 1,393 | 14 | $50k | $88k |
| 62985 | Simpson | Pope County | 1,128 | 15 | $74k | $184k |
| 62987 | Stonefort | Pope County | 1,724 | 19 | $83k | $113k |
| 62988 | Tamms | Alexander County | 1,149 | 16 | $55k | $66k |
| 62990 | Thebes | Alexander County | 973 | 22 | $64k | $137k |
| 62992 | Ullin | Pulaski County | 629 | 17 | $63k | $59k |
| 62993 | Unity | Alexander County | PO Box or unique | – | – | – |
| 62994 | Vergennes | Jackson County | 737 | 20 | $65k | $110k |
| 62995 | Vienna | Johnson County | 6,339 | 53 | $50k | $155k |
| 62996 | Villa Ridge | Pulaski County | 523 | 20 | $56k | $92k |
| 62997 | Willisville | Perry County | 561 | 1,191 | $54k | $62k |
| 62998 | Wolf Lake | Union County | 218 | 5 | $56k | – |
| 62999 | Zeigler | Franklin County | 1,267 | 587 | $42k | $57k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.