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).

  • 3129922300 | +1 312-992-2300 Illinois U.S.A.
  • 3129922301 | +1 312-992-2301 Illinois U.S.A.
  • 3129922302 | +1 312-992-2302 Illinois U.S.A.
  • 3129922303 | +1 312-992-2303 Illinois U.S.A.
  • 3129922304 | +1 312-992-2304 Illinois U.S.A.
  • 3129922305 | +1 312-992-2305 Illinois U.S.A.
  • 3129922306 | +1 312-992-2306 Illinois U.S.A.
  • 3129922307 | +1 312-992-2307 Illinois U.S.A.
  • 3129922308 | +1 312-992-2308 Illinois U.S.A.
  • 3129922309 | +1 312-992-2309 Illinois U.S.A.
  • 3129922310 | +1 312-992-2310 Illinois U.S.A.
  • 3129922311 | +1 312-992-2311 Illinois U.S.A.
  • 3129922312 | +1 312-992-2312 Illinois U.S.A.
  • 3129922313 | +1 312-992-2313 Illinois U.S.A.
  • 3129922314 | +1 312-992-2314 Illinois U.S.A.
  • 3129922315 | +1 312-992-2315 Illinois U.S.A.
  • 3129922316 | +1 312-992-2316 Illinois U.S.A.
  • 3129922317 | +1 312-992-2317 Illinois U.S.A.
  • 3129922318 | +1 312-992-2318 Illinois U.S.A.
  • 3129922319 | +1 312-992-2319 Illinois U.S.A.
  • 3129922320 | +1 312-992-2320 Illinois U.S.A.
  • 3129922321 | +1 312-992-2321 Illinois U.S.A.
  • 3129922322 | +1 312-992-2322 Illinois U.S.A.
  • 3129922323 | +1 312-992-2323 Illinois U.S.A.
  • 3129922324 | +1 312-992-2324 Illinois U.S.A.
  • 3129922325 | +1 312-992-2325 Illinois U.S.A.
  • 3129922326 | +1 312-992-2326 Illinois U.S.A.
  • 3129922327 | +1 312-992-2327 Illinois U.S.A.
  • 3129922328 | +1 312-992-2328 Illinois U.S.A.
  • 3129922329 | +1 312-992-2329 Illinois U.S.A.
  • 3129922330 | +1 312-992-2330 Illinois U.S.A.
  • 3129922331 | +1 312-992-2331 Illinois U.S.A.
  • 3129922332 | +1 312-992-2332 Illinois U.S.A.
  • 3129922333 | +1 312-992-2333 Illinois U.S.A.
  • 3129922334 | +1 312-992-2334 Illinois U.S.A.
  • 3129922335 | +1 312-992-2335 Illinois U.S.A.
  • 3129922336 | +1 312-992-2336 Illinois U.S.A.
  • 3129922337 | +1 312-992-2337 Illinois U.S.A.
  • 3129922338 | +1 312-992-2338 Illinois U.S.A.
  • 3129922339 | +1 312-992-2339 Illinois U.S.A.
  • 3129922340 | +1 312-992-2340 Illinois U.S.A.
  • 3129922341 | +1 312-992-2341 Illinois U.S.A.
  • 3129922342 | +1 312-992-2342 Illinois U.S.A.
  • 3129922343 | +1 312-992-2343 Illinois U.S.A.
  • 3129922344 | +1 312-992-2344 Illinois U.S.A.
  • 3129922345 | +1 312-992-2345 Illinois U.S.A.
  • 3129922346 | +1 312-992-2346 Illinois U.S.A.
  • 3129922347 | +1 312-992-2347 Illinois U.S.A.
  • 3129922348 | +1 312-992-2348 Illinois U.S.A.
  • 3129922349 | +1 312-992-2349 Illinois U.S.A.
  • 3129922350 | +1 312-992-2350 Illinois U.S.A.
  • 3129922351 | +1 312-992-2351 Illinois U.S.A.
  • 3129922352 | +1 312-992-2352 Illinois U.S.A.
  • 3129922353 | +1 312-992-2353 Illinois U.S.A.
  • 3129922354 | +1 312-992-2354 Illinois U.S.A.
  • 3129922355 | +1 312-992-2355 Illinois U.S.A.
  • 3129922356 | +1 312-992-2356 Illinois U.S.A.
  • 3129922357 | +1 312-992-2357 Illinois U.S.A.
  • 3129922358 | +1 312-992-2358 Illinois U.S.A.
  • 3129922359 | +1 312-992-2359 Illinois U.S.A.
  • 3129922360 | +1 312-992-2360 Illinois U.S.A.
  • 3129922361 | +1 312-992-2361 Illinois U.S.A.
  • 3129922362 | +1 312-992-2362 Illinois U.S.A.
  • 3129922363 | +1 312-992-2363 Illinois U.S.A.
  • 3129922364 | +1 312-992-2364 Illinois U.S.A.
  • 3129922365 | +1 312-992-2365 Illinois U.S.A.
  • 3129922366 | +1 312-992-2366 Illinois U.S.A.
  • 3129922367 | +1 312-992-2367 Illinois U.S.A.
  • 3129922368 | +1 312-992-2368 Illinois U.S.A.
  • 3129922369 | +1 312-992-2369 Illinois U.S.A.
  • 3129922370 | +1 312-992-2370 Illinois U.S.A.
  • 3129922371 | +1 312-992-2371 Illinois U.S.A.
  • 3129922372 | +1 312-992-2372 Illinois U.S.A.
  • 3129922373 | +1 312-992-2373 Illinois U.S.A.
  • 3129922374 | +1 312-992-2374 Illinois U.S.A.
  • 3129922375 | +1 312-992-2375 Illinois U.S.A.
  • 3129922376 | +1 312-992-2376 Illinois U.S.A.
  • 3129922377 | +1 312-992-2377 Illinois U.S.A.
  • 3129922378 | +1 312-992-2378 Illinois U.S.A.
  • 3129922379 | +1 312-992-2379 Illinois U.S.A.
  • 3129922380 | +1 312-992-2380 Illinois U.S.A.
  • 3129922381 | +1 312-992-2381 Illinois U.S.A.
  • 3129922382 | +1 312-992-2382 Illinois U.S.A.
  • 3129922383 | +1 312-992-2383 Illinois U.S.A.
  • 3129922384 | +1 312-992-2384 Illinois U.S.A.
  • 3129922385 | +1 312-992-2385 Illinois U.S.A.
  • 3129922386 | +1 312-992-2386 Illinois U.S.A.
  • 3129922387 | +1 312-992-2387 Illinois U.S.A.
  • 3129922388 | +1 312-992-2388 Illinois U.S.A.
  • 3129922389 | +1 312-992-2389 Illinois U.S.A.
  • 3129922390 | +1 312-992-2390 Illinois U.S.A.
  • 3129922391 | +1 312-992-2391 Illinois U.S.A.
  • 3129922392 | +1 312-992-2392 Illinois U.S.A.
  • 3129922393 | +1 312-992-2393 Illinois U.S.A.
  • 3129922394 | +1 312-992-2394 Illinois U.S.A.
  • 3129922395 | +1 312-992-2395 Illinois U.S.A.
  • 3129922396 | +1 312-992-2396 Illinois U.S.A.
  • 3129922397 | +1 312-992-2397 Illinois U.S.A.
  • 3129922398 | +1 312-992-2398 Illinois U.S.A.
  • 3129922399 | +1 312-992-2399 Illinois U.S.A.