| Code | Sub-Division Name |
| 0000 | Rural (No Addition) |
| 0001 | Ames OC |
| 0005 | Ames Broomfield Addition |
| 0010 | Ames Mayberry Addition |
| 0015 | Cleo Springs OC |
| 0020 | Cleo Springs Beckwith Addition |
| 0025 | Cleo Springs Christie Addition |
| 0030 | Cleo Springs Gambills Addition |
| 0035 | Cleo Springs Griffith Addition |
| 0040 | Cleo Springs Rural Annex |
| 0045 | Fairview Replat of Block 14 & Block A |
| 0050 | Fairview OC |
| 0051 | Former RR Right of Way |
| 0055 | Fairview Parlan Addition |
| 0060 | Fairview B & M #1 Addition |
| 0065 | Fairview Cimarron Estates Addition |
| 0070 | Fairview Classen Addition |
| 0075 | Fairview Cornelsen 1st Addition |
| 0080 | Fairview Cornelsen 2nd Addition |
| 0085 | Fairview Cornelsen 3rd Addition |
| 0086 | Fairview Cornelsen 4th Addition |
| 0090 | Fairview Cunningham 1st Addition |
| 0095 | Fairview Cunningham 2nd Addition |
| 0100 | Fairview Davis 1st Addition |
| 0105 | Fairview Davis 2nd Addition |
| 0110 | Fairview Davis 3rd Addition |
| 0115 | Fairview Floyd's Addition |
| 0120 | Fairview Highland Addition |
| 0121 | Fairview Jordan 1st Addition |
| 0125 | Fairview Kleiwer 1st Addition |
| 0130 | Fairview Landcrest Addition |
| 0135 | Fairview Lost Creek Addition |
| 0140 | Fairview Meadows Addition |
| 0145 | Fairview Monahan 1st Addition |
| 0150 | Fairview Monahan 2nd Addition |
| 0155 | Fairview Park Place Addition |
| 0160 | Fairview Roberts Replat Addition |
| 0165 | Fairview BPW Replat Addition |
| 0170 | Fairview Replat of Blk 14 & Blk A |
| 0175 | Fairview WBP Addition |
| 0180 | Fairview Rural Annex Addition |
| 0185 | Fairview Sunny Acres Addition |
| 0190 | Fairview Surry Lane Addition |
| 0195 | Fairview Sutter 1st Addition |
| 0200 | Fairview Sutter 2nd Addition |
| 0201 | Fairview Sutter 3rd Addition |
| 0205 | Fairview Veterans Addition |
| 0210 | Fairview View Port Addition |
| 0215 | Fairview Waldon Industrial Addition |
| 0220 | Fairview West Acres Addition |
| 0225 | Fairview Wood Creek Addition |
| 0235 | Meno OC |
| 0240 | Meno Blackburn Addition |
| 0245 | North Meno Addition |
| 0250 | North Meno 1st Addition |
| 0255 | Meno Ratzlaff Survey Addition |
| 0260 | Meno Rural Annex |
| 0265 | Meno Wedel's Addition |
| 0270 | Ringwood OC |
| 0275 | Ringwood Attaway Addition |
| 0280 | Ringwood Eastwood Addition |
| 0285 | Ringwood Oakgrove Addition |
| 0290 | Ringwood 1st Addition |
| 0295 | Ringwood Rural Annex |
| 0300 | Ringwood Timberlane Addition |
| 0305 | Hidden Acres Addition |
| 0315 | Isabella |
| 0320 | Crystal Lakes Addition |
| 0325 | Crystal Lakes Replat Addition |
| 0330 | Chester |
| 0345 | Courthouse Plaza |
| 9999 | Railroad-Improvements on Leased Land |
