City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3122452300 | +1 312-245-2300 Illinois U.S.A.
  • 3122452301 | +1 312-245-2301 Illinois U.S.A.
  • 3122452302 | +1 312-245-2302 Illinois U.S.A.
  • 3122452303 | +1 312-245-2303 Illinois U.S.A.
  • 3122452304 | +1 312-245-2304 Illinois U.S.A.
  • 3122452305 | +1 312-245-2305 Illinois U.S.A.
  • 3122452306 | +1 312-245-2306 Illinois U.S.A.
  • 3122452307 | +1 312-245-2307 Illinois U.S.A.
  • 3122452308 | +1 312-245-2308 Illinois U.S.A.
  • 3122452309 | +1 312-245-2309 Illinois U.S.A.
  • 3122452310 | +1 312-245-2310 Illinois U.S.A.
  • 3122452311 | +1 312-245-2311 Illinois U.S.A.
  • 3122452312 | +1 312-245-2312 Illinois U.S.A.
  • 3122452313 | +1 312-245-2313 Illinois U.S.A.
  • 3122452314 | +1 312-245-2314 Illinois U.S.A.
  • 3122452315 | +1 312-245-2315 Illinois U.S.A.
  • 3122452316 | +1 312-245-2316 Illinois U.S.A.
  • 3122452317 | +1 312-245-2317 Illinois U.S.A.
  • 3122452318 | +1 312-245-2318 Illinois U.S.A.
  • 3122452319 | +1 312-245-2319 Illinois U.S.A.
  • 3122452320 | +1 312-245-2320 Illinois U.S.A.
  • 3122452321 | +1 312-245-2321 Illinois U.S.A.
  • 3122452322 | +1 312-245-2322 Illinois U.S.A.
  • 3122452323 | +1 312-245-2323 Illinois U.S.A.
  • 3122452324 | +1 312-245-2324 Illinois U.S.A.
  • 3122452325 | +1 312-245-2325 Illinois U.S.A.
  • 3122452326 | +1 312-245-2326 Illinois U.S.A.
  • 3122452327 | +1 312-245-2327 Illinois U.S.A.
  • 3122452328 | +1 312-245-2328 Illinois U.S.A.
  • 3122452329 | +1 312-245-2329 Illinois U.S.A.
  • 3122452330 | +1 312-245-2330 Illinois U.S.A.
  • 3122452331 | +1 312-245-2331 Illinois U.S.A.
  • 3122452332 | +1 312-245-2332 Illinois U.S.A.
  • 3122452333 | +1 312-245-2333 Illinois U.S.A.
  • 3122452334 | +1 312-245-2334 Illinois U.S.A.
  • 3122452335 | +1 312-245-2335 Illinois U.S.A.
  • 3122452336 | +1 312-245-2336 Illinois U.S.A.
  • 3122452337 | +1 312-245-2337 Illinois U.S.A.
  • 3122452338 | +1 312-245-2338 Illinois U.S.A.
  • 3122452339 | +1 312-245-2339 Illinois U.S.A.
  • 3122452340 | +1 312-245-2340 Illinois U.S.A.
  • 3122452341 | +1 312-245-2341 Illinois U.S.A.
  • 3122452342 | +1 312-245-2342 Illinois U.S.A.
  • 3122452343 | +1 312-245-2343 Illinois U.S.A.
  • 3122452344 | +1 312-245-2344 Illinois U.S.A.
  • 3122452345 | +1 312-245-2345 Illinois U.S.A.
  • 3122452346 | +1 312-245-2346 Illinois U.S.A.
  • 3122452347 | +1 312-245-2347 Illinois U.S.A.
  • 3122452348 | +1 312-245-2348 Illinois U.S.A.
  • 3122452349 | +1 312-245-2349 Illinois U.S.A.
  • 3122452350 | +1 312-245-2350 Illinois U.S.A.
  • 3122452351 | +1 312-245-2351 Illinois U.S.A.
  • 3122452352 | +1 312-245-2352 Illinois U.S.A.
  • 3122452353 | +1 312-245-2353 Illinois U.S.A.
  • 3122452354 | +1 312-245-2354 Illinois U.S.A.
  • 3122452355 | +1 312-245-2355 Illinois U.S.A.
  • 3122452356 | +1 312-245-2356 Illinois U.S.A.
  • 3122452357 | +1 312-245-2357 Illinois U.S.A.
  • 3122452358 | +1 312-245-2358 Illinois U.S.A.
  • 3122452359 | +1 312-245-2359 Illinois U.S.A.
  • 3122452360 | +1 312-245-2360 Illinois U.S.A.
  • 3122452361 | +1 312-245-2361 Illinois U.S.A.
  • 3122452362 | +1 312-245-2362 Illinois U.S.A.
  • 3122452363 | +1 312-245-2363 Illinois U.S.A.
  • 3122452364 | +1 312-245-2364 Illinois U.S.A.
  • 3122452365 | +1 312-245-2365 Illinois U.S.A.
  • 3122452366 | +1 312-245-2366 Illinois U.S.A.
  • 3122452367 | +1 312-245-2367 Illinois U.S.A.
  • 3122452368 | +1 312-245-2368 Illinois U.S.A.
  • 3122452369 | +1 312-245-2369 Illinois U.S.A.
  • 3122452370 | +1 312-245-2370 Illinois U.S.A.
  • 3122452371 | +1 312-245-2371 Illinois U.S.A.
  • 3122452372 | +1 312-245-2372 Illinois U.S.A.
  • 3122452373 | +1 312-245-2373 Illinois U.S.A.
  • 3122452374 | +1 312-245-2374 Illinois U.S.A.
  • 3122452375 | +1 312-245-2375 Illinois U.S.A.
  • 3122452376 | +1 312-245-2376 Illinois U.S.A.
  • 3122452377 | +1 312-245-2377 Illinois U.S.A.
  • 3122452378 | +1 312-245-2378 Illinois U.S.A.
  • 3122452379 | +1 312-245-2379 Illinois U.S.A.
  • 3122452380 | +1 312-245-2380 Illinois U.S.A.
  • 3122452381 | +1 312-245-2381 Illinois U.S.A.
  • 3122452382 | +1 312-245-2382 Illinois U.S.A.
  • 3122452383 | +1 312-245-2383 Illinois U.S.A.
  • 3122452384 | +1 312-245-2384 Illinois U.S.A.
  • 3122452385 | +1 312-245-2385 Illinois U.S.A.
  • 3122452386 | +1 312-245-2386 Illinois U.S.A.
  • 3122452387 | +1 312-245-2387 Illinois U.S.A.
  • 3122452388 | +1 312-245-2388 Illinois U.S.A.
  • 3122452389 | +1 312-245-2389 Illinois U.S.A.
  • 3122452390 | +1 312-245-2390 Illinois U.S.A.
  • 3122452391 | +1 312-245-2391 Illinois U.S.A.
  • 3122452392 | +1 312-245-2392 Illinois U.S.A.
  • 3122452393 | +1 312-245-2393 Illinois U.S.A.
  • 3122452394 | +1 312-245-2394 Illinois U.S.A.
  • 3122452395 | +1 312-245-2395 Illinois U.S.A.
  • 3122452396 | +1 312-245-2396 Illinois U.S.A.
  • 3122452397 | +1 312-245-2397 Illinois U.S.A.
  • 3122452398 | +1 312-245-2398 Illinois U.S.A.
  • 3122452399 | +1 312-245-2399 Illinois U.S.A.