Restaurants (Starting with NUMBER)
- 30 Burgers & Mike's Subs
- 30 Main Bistro
- 300 First
- 300 Suns Brewery
- 3009 Restaurant and Bar
- 301 Cafe
- 301 Express
- 301 Plaza Restaurant
- 302 Wheaton
- 303 Coffee Co.
- 303 Ramen
- 305 Degrees Burgers
- 305 Degrees Burgers Bar
- 305 Food Express
- 305 Peruvian
- 305 Wine Garage
- 305Mia Cafe
- 305peruvian
- 305Peruvian Modern Cuisine
- 306 Barbecue
- 306 Southern BBQ
- 3070 Sports Bar & Grill
- 308 Brass Rail
- 308 Brass Rail Bar & Grill
- 30hop
- 30hop Cedar Rapids
- 30th Street Food Affair
- 31 Bar & Grill
- 31 Express
- 310 Broadway Bar & Grill
- 310 Eatery
- 310 Lakeside
- 310 Nona
- 310 Park South
- 310 Pub
- 311 Wine House
- 313 Taproom
- 314 The City Bar
- 315 Finest Food & Deli Corp.
- 315 Martinis and Tapas
- 315 Restaurant & Wine Bar
- 316 Oyster Bar & Seafood Grill
- 317 Burger
- 31707 Urban Street Food
- 318 Restaurant & Bar
- 31st Phat Burgers Inc.
- 31st Union
- 32 Degrees Ice Bar Lounge
- 32 Degrees Ice Shavery & Teas
- 32 Palm
- 32 Social
- 320 Market Café
- 320 Market Cafe Swarthmore
- 321 Cafe
- 322 Pizza Bar
- 327 Pizza CO
- 328 Chinese Cuisine
- 33 Gourmet Deli
- 33 Lafayette
- 33 Taps - Silver Lake
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