| Zip code | Name | Area Code(s) |
| 52001 Center Grove (563) |
| 52001 Dubuque (563) |
| 52001 Eagle Point (563) |
| 52001 Julien (563) |
| 52001 Key West (563) |
| 52001 Massey (563) |
| 52001 Rockdale (563) |
| 52001 Sageville (563) |
| 52001 Shawondasse (563) |
| 52002 Asbury (563) |
| 52002 Dubuque (563) |
| 52003 Dubuque (563) |
| 52004 Dubuque (563) |
| 52030 Andrew (563) |
| 52031 Bellevue (563) |
| 52032 Bernard (563) |
| 52033 Cascade (563) |
| 52033 Fillmore (563) |
| 52035 Colesburg (563) |
| 52035 Osterdock (563) |
| 52036 Delaware (563) |
| 52037 Delmar (563) |
| 52037 North Welton (563) |
| 52038 Dundee (563) |
| 52039 Durango (563) |
| 52040 Dyersville (563) |
| 52040 Petersburg (563) |
| 52041 Earlville (563) |
| 52042 Edgewood (563) |
| 52042 Littleport (563) |
| 52042 Wood (563) |
| 52043 Clayton Center (563) |
| 52043 Communia (563) |
| 52043 Elkader (563) |
| 52043 Mederville (563) |
| 52043 Osborne (563) |
| 52044 Edgewood (563) |
| 52044 Elkport (563) |
| 52045 Bankston (563) |
| 52045 Epworth (563) |
| 52046 Farley (563) |
| 52047 Farmersburg (563) |
| 52047 Froelich (563) |
| 52047 National (563) |
| 52048 Garber (563) |
| 52049 Clayton (563) |
| 52049 Garnavillo (563) |
| 52050 Greeley (563) |
| 52052 Guttenberg (563) |
| 52052 Millville (563) |
| 52052 Turkey River (563) |
| 52053 Holy Cross (563) |
| 52054 La Motte (563) |
| 52056 Luxemburg (563) |
| 52057 Delaware (563) |
| 52057 Dutchtown (563) |
| 52057 Manchester (563) |
| 52057 Oneida (563) |
| 52057 Thorpe (563) |
| 52060 Fulton (563) |
| 52060 Hurstville (563) |
| 52060 Ironhills (563) |
| 52060 Maquoketa (563) |
| 52060 Nashville (563) |
| 52064 Green Island (563) |
| 52064 Miles (563) |
| 52065 New Vienna (563) |
| 52066 Holy Cross (563) |
| 52066 North Buena Vista (563) |
| 52068 Centralia (563) |
| 52068 Peosta (563) |
| 52069 Preston (563) |
| 52070 Sabula (563) |
| 52071 Saint Donatus (563) |
| 52072 Saint Olaf (563) |
| 52073 Sherrill (563) |
| 52074 Spragueville (563) |
| 52075 Springbrook (563) |
| 52076 Strawberry Point (563) |
| 52077 Volga (563) |
| 52078 Worthington (563) |
| 52079 Otter Creek (563) |
| 52079 Zwingle (563) |
| 52099 Dubuque (563) |
| 52099 McGraw Hill Companies (563) |
| 52101 Bluffton (563) |
| 52101 Burr Oak (563) |
| 52101 Decorah (563) |
| 52101 Freeport (563) |
| 52101 Hesper (563) |
| 52101 Locust (563) |
| 52101 Nordness (563) |
| 52101 Quandahl (563) |
| 52101 Sattre (563) |
| 52132 Calmar (563) |
| 52132 Conover (563) |
| 52133 Castalia (563) |
| 52134 Chester (563) |
| 52135 Clermont (563) |
| 52136 Cresco (563) |
| 52136 Florenceville (563) |
| 52136 Kendallville (563) |
| 52136 Schley (563) |
| 52136 Vernon Springs (563) |
| 52140 Dorchester (563) |
| 52141 Brainard (563) |
| 52141 Elgin (563) |
| 52142 Albany (563) |
| 52142 Donnan (563) |
| 52142 Fayette (563) |
| 52142 Lima (563) |
| 52144 Festina (563) |
| 52144 Fort Atkinson (563) |
| 52146 Egan (563) |
| 52146 Harpers Ferry (563) |
| 52146 Waukon Junction (563) |
| 52147 Hawkeye (563) |
| 52149 Highlandville (563) |
| 52151 Church (563) |
| 52151 Lansing (563) |
| 52151 Village Creek (563) |
| 52154 Lawler (563) |
| 52154 Little Turkey (563) |
| 52154 Saude (563) |
| 52155 Bonair (563) |
| 52155 Lime Springs (563) |
| 52155 Saratoga (563) |
| 52156 Hardin (563) |
| 52156 Luana (563) |
| 52157 Giard (563) |
| 52157 Mc Gregor (563) |
| 52158 Marquette (563) |
| 52159 Monona (563) |
| 52159 Rossville (563) |
| 52159 Volney (563) |
| 52159 Watson (563) |
| 52160 New Albin (563) |
| 52161 Ossian (563) |
| 52162 Frankville (563) |
| 52162 Gunder (563) |
| 52162 Postville (563) |
| 52163 Protivin (563) |
| 52164 Randalia (563) |
| 52165 Ridgeway (563) |
| 52166 Saint Lucas (563) |
| 52168 Spillville (563) |
| 52169 Wadena (563) |
| 52170 Dalby (563) |
| 52170 Elon (563) |
| 52170 Waterville (563) |
| 52171 Alpha (563) |
| 52171 Jackson Jct (563) |
| 52171 Jackson Junction (563) |
| 52171 Waucoma (563) |
| 52172 Ludlow (563) |
| 52172 Waukon (563) |
| 52175 Douglas (563) |
| 52175 Eldorado (563) |
| 52175 West Union (563) |
| 52201 Ainsworth (319) |
| 52201 Haskins (319) |
| 52202 Alburnett (319) |
| 52203 Amana (319) |
| 52203 East Amana (319) |
| 52203 High (319) |
| 52203 High Amana (319) |
| 52203 West Amana (319) |
| 52204 Amana (319) |
| 52204 Amana Refrigeration Inc (319) |
| 52205 Amber (319) |
| 52205 Anamosa (319) |
| 52205 Fairview (319) |
| 52206 Atkins (319) |
| 52207 Baldwin (563) |
| 52207 Emeline (563) |
| 52208 Belle Plaine (319) |
| 52208 Koszta (319) |
| 52209 Blairstown (319) |
| 52210 Brandon (319) |
| 52211 Brooklyn (641) |
| 52211 Holiday Lake (641) |
| 52212 Center Jct (563) |
| 52212 Center Junction (563) |
| 52213 Center Point (319) |
| 52214 Central City (319) |
| 52214 Waubeek (319) |
| 52215 Chelsea (641) |
| 52216 Clarence (563) |
| 52217 Clutier (319) |
| 52218 Coggon (319) |
| 52219 Prairieburg (319) |
| 52220 Conroy (319) |
| 52221 Guernsey (319) |
| 52222 Deep River (641) |
| 52223 Delhi (563) |
| 52223 Hazel Green (563) |
| 52224 Dysart (319) |
| 52225 Elberon (319) |
| 52227 Ely (319) |
| 52228 Fairfax (319) |
| 52229 Garrison (319) |
| 52231 Harper (641) |
| 52232 Hartwick (319) |
| 52233 Hiawatha (319) |
| 52235 Hills (319) |
| 52236 Homestead (319) |
| 52237 Hopkinton (563) |
| 52237 Sand Spring (563) |
| 52240 Iowa City (319) |
| 52241 Coralville (319) |
| 52241 Iowa City (319) |
| 52242 Iowa City (319) |
| 52243 American College Testing (319) |
| 52243 Iowa City (319) |
| 52244 Iowa City (319) |
| 52245 Iowa City (319) |
| 52246 Iowa City (319) |
| 52246 University Heights (319) |
| 52247 Frytown (319) |
| 52247 Joetown (319) |
| 52247 Kalona (319) |
| 52247 Williamstown (319) |
| 52248 Clear Creek (641) |
| 52248 Keota (641) |
| 52248 Talleyrand (641) |
| 52249 Keystone (319) |
| 52251 Ladora (319) |
| 52252 Langworthy (319) |
| 52253 Lisbon (319) |
| 52253 Sutliff (319) |
| 52254 Elwood (563) |
| 52254 Lost Nation (563) |
| 52255 Lowden (563) |
| 52255 Massillon (563) |
| 52257 Luzerne (319) |
| 52301 Genoa Bluff (319) |
| 52301 Marengo (319) |
| 52302 Indian Creek (319) |
| 52302 Marion (319) |
| 52302 Midway (319) |
| 52305 Martelle (319) |
| 52306 Mechanicsville (563) |
| 52306 Mechanicsvlle (563) |
| 52307 Middle (319) |
| 52307 Middle Amana (319) |
| 52308 Millersburg (319) |
| 52309 Canton (563) |
| 52309 Monmouth (563) |
| 52310 Monticello (319) |
| 52310 Scotch Grove (319) |
| 52312 Morley (319) |
| 52313 Mount Auburn (319) |
| 52314 Mount Vernon (319) |
| 52315 Newhall (319) |
| 52316 North English (319) |
| 52316 White Pigeon (319) |
| 52317 North Liberty (319) |
| 52318 Norway (319) |
| 52319 Oakdale (319) |
| 52320 Olin (319) |
| 52321 Onslow (563) |
| 52322 Cosgrove (319) |
| 52322 Oxford (319) |
| 52322 Windham (319) |
| 52323 Oxford Jct (563) |
| 52323 Oxford Junction (563) |
| 52323 Oxford Mills (563) |
| 52324 Covington (319) |
| 52324 Palo (319) |
| 52325 Holbrook (319) |
| 52325 Parnell (319) |
| 52326 Quasqueton (319) |
| 52327 Riverside (319) |
| 52328 Robins (319) |
| 52329 Rowley (319) |
| 52330 Robinson (563) |
| 52330 Ryan (563) |
| 52332 Shellsburg (319) |
| 52333 Solon (319) |
| 52333 Twin View Heights (319) |
| 52334 South Amana (319) |
| 52335 Kinross (319) |
| 52335 South English (319) |
| 52336 Springville (319) |
| 52336 Whittier (319) |
| 52337 Stanwood (563) |
| 52338 Cou Falls (319) |
| 52338 Swisher (319) |
| 52339 Haven (641) |
| 52339 Tama (641) |
| 52340 Tiffin (319) |
| 52341 Toddville (319) |
| 52342 Toledo (641) |
| 52344 Troy Mills (319) |
| 52345 Urbana (319) |
| 52346 Van Horne (319) |
| 52347 Carnforth (319) |
| 52347 Victor (319) |
| 52348 Vining (641) |
| 52349 Vinton (319) |
| 52350 Viola (319) |
| 52351 Walford (319) |
| 52352 Walker (319) |
| 52353 Grace Hill (319) |
| 52353 Washington (319) |
| 52354 Watkins (319) |
| 52355 Webster (319) |
| 52356 Daytonville (319) |
| 52356 Wellman (319) |
| 52358 Cedar Valley (563) |
| 52358 Downey (563) |
| 52358 Herbert Hoover National Hist (563) |
| 52358 Oasis (563) |
| 52358 Springdale (563) |
| 52358 West Branch (563) |
| 52359 West Chester (319) |
| 52361 Williamsburg (319) |
| 52362 Hale (563) |
| 52362 Wyoming (563) |
| 52401 Cedar Rapids (319) |
| 52402 Cedar Rapids (319) |
| 52403 Cedar Rapids (319) |
| 52404 Cedar Rapids (319) |
| 52405 Cedar Rapids (319) |
| 52406 Cedar Rapids (319) |
| 52407 Cedar Rapids (319) |
| 52408 Cedar Rapids (319) |
| 52409 Cedar Rapids (319) |
| 52410 Cedar Rapids (319) |
| 52411 Cedar Rapids (319) |
| 52411 Robins (319) |
| 52497 Cedar Rapids (319) |
| 52497 Nordstrom (319) |
| 52498 Cedar Rapids (319) |
| 52498 Rockwell Collins (319) |
| 52499 Aegon USA (319) |
| 52499 Cedar Rapids (319) |
| 52499 Life Investors Inc (319) |