| Agency Code | Agency Name | Agency Address Line One | Agency Address Line Two | Agency City | Agency State Code | Agency Zip Code |
| 01 | Adams Child Support | 402 Main St - Courthouse | P O Box 528 | Friendship | WI | 53934-0528 |
| 02 | Ashland Child Support | Room 100 - Courthouse | 201 W Main St | Ashland | WI | 54806-1652 |
| CT | Bad River Tribe | PO Box 39 | | Odanah | WI | 54861-0039 |
| 03 | Barron Child Support | Room 300 - Courthouse | 330 E Lasalle Ave | Barron | WI | 54812-1501 |
| 04 | Bayfield Child Support | 117 E Fifth St | P O Box 187 | Washburn | WI | 54891-0187 |
| 05 | Brown Child Support | 305 E Walnut St - No Bldg | P O Box 23600 | Green Bay | WI | 54305-3600 |
| 06 | Buffalo Child Support | 407 S Second St | P O Box 517 | Alma | WI | 54610-0517 |
| 07 | Burnett Child Support | Gov Annex - Room 118 | 7410 County Rd K | Siren | WI | 54872-9043 |
| 08 | Calumet Child Support | Courthouse | 206 Court St | Chiliton | WI | 53014-1127 |
| 09 | Chippewa Child Support | Room 225 - Courthouse | 711 N Bridge St | Chippewa Falls | WI | 54729-0550 |
| 10 | Clark Child Support | Room 504 | 517 Court St | Neillsville | WI | 54456-1912 |
| 11 | Columbia Child Support | 400 Dewitt St - Courthous | P O Box 256 | Portage | WI | 53901-0256 |
| 12 | Crawford Child Support | Courthouse | 220 N Beaumont Rd | Praire du Chien | WI | 53821-1405 |
| 13 | Dane Child Support | City-County Bldg Rm 106 | 210 Martin Luther King Jr | Madison | WI | 53703-3342 |
| 14 | Dodge Child Support | 127 E Oak St | | Juneau | WI | 53039-1056 |
| 15 | Door Child Support | 421 Nebraska St | P O Box 670 | Sturgeon Bay | WI | 54235-0670 |
| 16 | Douglas Child Support | Room 202 - Courthouse | 1313 Belknap St | Superior | WI | 54880-2730 |
| 17 | Dunn Child Support | Suite 1600 - Judicial Ctr | 615 Stokke Parkway | Menomonie | WI | 54751-4912 |
| 18 | Eau Claire Child Support | Suite 1230 - Courthouse | 721 Oxford Ave | Eau Claire | WI | 54703-5481 |
| 19 | Florence Child Support | 501 Lake Ave | P O Box 410 | Florence | WI | 54121 |
| 20 | Fond du Lac Child Support | City-County Government Ct | 160 S Macy St | Fond du Lac | WI | 54935 |
| 21 | Forest Child Support | Courthouse | 200 E Madison St | Crandon | WI | 54520 |
| 7T | Forest County Potawatomi | PO Box 340 | | Crandon | WI | 54520 |
| 22 | Grant Child Support | Courthouse | 130 W Maple St | Lancaster | WI | 53813 |
| 23 | Green Child Support | 1016 16th Ave | | Monroe | WI | 53566 |
| 24 | Green Lake Child Support | 491 Hill St - Courthouse | P O Box 3188 | Green Lake | WI | 54941-3188 |
| 2T | Ho-Chunk Nation | PO Box 667 | | Black River Falls | WI | 54615 |
| 25 | Iowa Child Support | Suite 203 - Courthouse | 222 N Iowa St | Dodgeville | WI | 53533 |
| 26 | Iron Child Support | Suite 211 - Courthouse | 300 Taconite St | Hurley | WI | 54534 |
| 27 | Jackson Child Support | 420 Highway 54 West | P O Box 457 | Black River Falls | WI | 54615-0457 |
| 28 | Jefferson Child Support | Room 219 - Courthouse | 320 S Main St | Jefferson | WI | 54549 |
| 29 | Juneau Child Support | 220 E La Crosse St | | Mauston | WI | 53948 |
| 30 | Kenosha Child Support | Suite 301 | 8600 Sheridan Rd | Kenosha | WI | 53143-6505 |
| 31 | Kewaunee Child Support | 19600 75th St | | Bristol | WI | 53104 |
| 3T | Lac Courte Oreilles | 13394 W Trepania Rd | | Hayward | WI | 54843 |
| 4T | Lac du Flambeau | PO Box 67 | | Lac du Flambeau | WI | 54538 |
| 32 | La Crosse Child Support | Admin Center - Room 206 | 400 N Fourth St | La Crosse | WI | 54601-3200 |
| 33 | Lafayette Child Support | 626 Main St | P O Box 203 | Darlington | WI | 53530-0203 |
| 34 | Langlade Child Support | 837 Clermont St | | Antigo | WI | 54409-1948 |
| 35 | Lincoln Child Support | 607 N Sales St | P O Box 547 | Merrill | WI | 54452-0607 |
| 36 | Manitowoc Child Support | Room B-21 | 1010 S Eighth St | Manitowoc | WI | 54220-5377 |
| 37 | Marathon Child Support | 400 E Thomas St | | Wausau | WI | 54403 |
| 38 | Marinette Child Support | Room C214 Courthouse | 1926 Hall Ave | Marinette | WI | 54143-1717 |
| 39 | Marquette Child Support | 77 W Park St | PO Box 186 | Montello | WI | 53949 |
| 5T | Menominee Nation | PO Box 910 | | Keshena | WI | 54135-0910 |
| 40 | Milwaukee Child Support | Room 101 - Courthouse | 901 N 9th St | Milwaukee | WI | 53233 |
| 41 | Monroe Child Support | Room 101 - Courthouse | 112 S Court St | Sparta | WI | 54656-1765 |
| 42 | Oconto Child Support | Courthouse | 301 Washington St | Oconto | WI | 54153-1699 |
| 43 | Oneida Child Support | 1 Oneida Ave | P O Box 400 | Rhinelander | WI | 54501-0400 |
| 6T | Oneida Nation | PO Box 365 | | Oneida | WI | 54155 |
| 44 | Outagamie Child Support | 401 S Elm St | | Appleton | WI | 54911 |
| 45 | Ozaukee Child Support | 1201 S Spring St | P O Box 994 | Port Washginton | WI | 53074-0994 |
| 46 | Pepin Child Support | 740 7th Ave West | P O Box 39 | Durand | WI | 54736-0039 |
| 47 | Pierce Child Support | 412 W Kinne St | P O Box 670 | Ellsworth | WI | 54011-0670 |
| 48 | Polk Child Support | Suite 100 | 1005 W Main St | Balsam Lake | WI | 54810 |
| 49 | Portage Child Support | Courthouse | 1516 Church Street | Stevens Point | WI | 54481 |
| 50 | Price Child Support | Courthouse | 126 Cherry St | Phillips | WI | 54555 |
| 51 | Racine Child Support | Suite 102 | 411 Seventh St | Racine | WI | 53403-1256 |
| 8T | Red Cliff | 88385 Pike Rd Hwy 13 | | Bayfield | WI | 54814 |
| 52 | Richland Child Support | 181 W Seminary St - 1st F | P O Box 541 | Richland Center | WI | 53581-0541 |
| 53 | Rock Child Support | Courthouse | 51 S Main St | Janesville | WI | 53545 |
| 54 | Rusk Child Support | Suite L337 - Courthouse | 311 Miner Ave East | Ladysmith | WI | 54848 |
| 55 | Saint.Croix Child Support | Government Center | 1101 Carmichael Rd | Hudson | WI | 54016-7710 |
| 56 | Sauk Child Support | 515 Oak St - 2nd Floor | | Baraboo | WI | 53913-2496 |
| 57 | Sawyer Child Support | 10610 W Main St | P O Box 1049 | Hayward | WI | 54843-1049 |
| 58 | Shawano Child Support | Room 111 Courthouse | 311 N Main St | Shawano | WI | 54166-2198 |
| 59 | Sheboygan Child Support | Courthouse Annex | 615 N 6th St | Sheboygan | WI | 53081-4692 |
| 9T | Sokaogon (Mole Lake) | 3086 State Highway 55 | | Crandon | WI | 54520 |
| AT | St Croix | PO Box 287 | | Hertel | WI | 54845 |
| BT | Stockbridge - Munsee | N8476 Moh He Con Nuck Rd | | Bowler | WI | 54416 |
| 60 | Taylor Child Support | Room G200 - Courthouse | 224 S 2nd St | Medford | WI | 54451-1899 |
| 61 | Trempealeau Child Support | 36245 Main St - Courthous | P O Box 67 | Whitehall | WI | 54773-0067 |
| 62 | Vernon Child Support | Suite 300 - Courthouse | 400 Courthouse Sq | Viroqua | WI | 54665-0823 |
| 63 | Vilas Child Support | Courthouse | 330 Court St | Eagle River | WI | 54521 |
| 64 | Walworth Child Support | 100 W Walworth St -Rm 109 | P O Box 1001 | Elkhorn | WI | 53121-1001 |
| 65 | Washburn Child Support | 10 Fourth Ave - Courthous | PO Box 363 | Shell Lake | WI | 54871-0363 |
| 66 | Washington Child Support | 432 E Washington Rm 1103 | P O Box 1986 | West Bend | WI | 53095-1986 |
| 67 | Waukesha Child Support | Room 348 | 1320 Pewaukee Rd | Waukesha | WI | 53188-3878 |
| 68 | Waupaca Child Support | 811 Harding St | | Waupaca | WI | 54981-2081 |
| 69 | Waushara Child Support | 209 S St Marie St - Court | P O Box 238 | Wautoma | WI | 54982-0238 |
| 70 | Winnebago Child Support | 415 Jackson St Room 140 | P O Box 2808 | Oshkosh | WI | 54903-2808 |
| 71 | Wood Child Support | 400 Market St - Courthous | PO Box 8095 | Wisconsin Rapids | WI | 54495-8095 |