Area Code 312

Would you like to find information about a number with the area code 312?

State: Illinois

Number Format: (312) xxx-xxxx

International Number Format: +1 312 xxxxxxx

Major city: Chicago

Time Zone: CST (UTC-06:00) / CDT (UTC-05:00)

Then check it here! Learn which area is covered under the code 312, along with the service provider that works with this code. You can also find the location of a caller whose number begins with 312.

Our service has a very large database, which includes all area codes in the United States. So if you need to find more details about a phone number or you are looking for information about area code 312 scams — you have come to the right place!

Prefix Primary city Company Usage
(312) 201 Chicago Ameritech Illinois Landline
(312) 202 Chicago Ameritech Illinois Landline
(312) 203 Chicago New Cingular Wireless PCS Cell Number
(312) 204 Chicago Ameritech Illinois Landline
(312) 205 Chicago Allegiance Telecom Landline
(312) 206 Chicago New Cingular Wireless PCS Cell Number
(312) 207 Chicago Ameritech Illinois Landline
(312) 208 Chicago New Cingular Wireless PCS Cell Number
(312) 209 Northbrook Cellco Partnership DBA Verizon Wireless Cell Number
(312) 212 Chicago Ameritech Illinois Landline
(312) 213 Chicago New Cingular Wireless PCS Cell Number
(312) 214 Chicago Ameritech Illinois Landline
(312) 215 Wheeling New Cingular Wireless PCS Cell Number
(312) 216 Chicago First Communications LLC Landline
(312) 217 Chicago United States Cellular Corp. - Illinois Cell Number
(312) 218 Chicago New Cingular Wireless PCS Cell Number
(312) 219 Chicago Bandwidth.com Clec Cell Number
(312) 220 Chicago Ameritech Illinois Landline
(312) 221 Chicago Sprint Spectrum L.p. Cell Number
(312) 222 Chicago Ameritech Illinois Landline
(312) 223 Chicago Ameritech Illinois Landline
(312) 224 Chicago Broadwing Communications Landline
(312) 225 Chicago Ameritech Illinois Landline
(312) 226 Chicago Ameritech Illinois Landline
(312) 227 Chicago Ameritech Illinois Landline
(312) 228 Chicago Ameritech Illinois Landline
(312) 229 Chicago Ameritech Illinois Landline
(312) 230 Chicago Ameritech Illinois Landline
(312) 231 Roselle New Cingular Wireless PCS Cell Number
(312) 232 Chicago American Messaging (am) Cell Number
(312) 233 Chicago Ameritech Illinois Landline
(312) 234 Chicago Ameritech Illinois Landline
(312) 235 Chicago Ameritech Illinois Landline
(312) 236 Chicago Ameritech Illinois Landline
(312) 237 Chicago Cellco Partnership DBA Verizon Wireless Cell Number
(312) 238 Chicago Broadwing Communications Landline
(312) 239 Chicago AT&T Local Landline
(312) 240 Chicago Ameritech Illinois Landline
(312) 241 Chicago New Cingular Wireless PCS Cell Number
(312) 242 Chicago Teleport Communications America Landline
(312) 243 Chicago Ameritech Illinois Landline
(312) 244 Chicago Ameritech Illinois Landline
(312) 245 Chicago Ameritech Illinois Landline
(312) 246 Wheeling New Cingular Wireless PCS Cell Number
(312) 247 Chicago First Communications LLC Landline
(312) 249 Chicago Usa Mobility Wireless Cell Number
(312) 250 Chicago Usa Mobility Wireless Cell Number
(312) 251 Chicago Ameritech Illinois Landline
(312) 252 Chicago Allegiance Telecom Landline
(312) 253 Chicago Allegiance Telecom Landline
(312) 254 Chicago Allegiance Telecom Landline
(312) 255 Chicago Ameritech Illinois Landline
(312) 256 Chicago Allegiance Telecom Landline
(312) 257 Chicago Cellco Partnership DBA Verizon Wireless Cell Number
(312) 258 Chicago Ameritech Illinois Landline
(312) 259 Chicago New Cingular Wireless PCS Cell Number
(312) 260 Chicago Mcimetro Access Transmission Services LLC Landline
(312) 261 Chicago Broadwing Communications Landline
(312) 262 Chicago Allegiance Telecom Landline
(312) 263 Chicago Ameritech Illinois Landline
(312) 264 Chicago Broadwing Communications Landline
(312) 265 Chicago Access One Landline
(312) 266 Chicago Ameritech Illinois Landline
(312) 267 Chicago Ameritech Illinois Landline
(312) 268 Chicago Broadwing Communications Landline
(312) 269 Chicago Ameritech Illinois Landline
(312) 271 Chicago Usa Mobility Wireless Cell Number
(312) 272 Chicago Usa Mobility Wireless Cell Number
(312) 273 Chicago Cellco Partnership DBA Verizon Wireless Cell Number
(312) 274 Chicago Ameritech Illinois Landline
(312) 275 Chicago Allegiance Telecom Landline
(312) 276 Chicago Allegiance Telecom Landline
(312) 277 Chicago Allegiance Telecom Landline
(312) 278 Chicago Broadwing Communications Landline
(312) 279 Chicago Mcimetro Access Transmission Services LLC Landline
(312) 280 Chicago Ameritech Illinois Landline
(312) 281 Chicago Global Crossing Local Services-il Landline
(312) 282 Chicago New Cingular Wireless PCS Cell Number
(312) 283 Chicago Global Crossing Local Services-il Landline
(312) 284 Chicago Xo Illinois Landline
(312) 285 Chicago Sprint Spectrum L.p. Cell Number
(312) 286 Chicago New Cingular Wireless PCS Cell Number
(312) 287 Chicago Sprint Spectrum L.p. Cell Number
(312) 288 Chicago Mcimetro Access Transmission Services LLC Landline
(312) 289 Chicago Usa Mobility Wireless Cell Number
(312) 290 Chicago Usa Mobility Wireless Cell Number
(312) 291 Chicago Ameritech Illinois Landline
(312) 292 Chicago Bandwidth.com Clec Cell Number
(312) 293 Chicago Ameritech Illinois Landline
(312) 294 Chicago Ameritech Illinois Landline
(312) 295 La Grange Park Usa Mobility Wireless Cell Number
(312) 296 Chicago Sprint Spectrum L.p. Cell Number
(312) 297 Chicago Ameritech Illinois Landline
(312) 298 Chicago Sigecom Landline
(312) 299 Chicago Usa Mobility Wireless Cell Number
(312) 300 Chicago Net Talk.com Landline
(312) 301 Hinsdale New Cingular Wireless PCS Cell Number
(312) 302 Chicago Ameritech Illinois Landline
(312) 303 Wheeling New Cingular Wireless PCS Cell Number
(312) 304 Hinsdale New Cingular Wireless PCS Cell Number


Telephone numbers with the same dialing code


Most searched telephone numbers


Recent comments

CB, 2018-02-22 13:32:43

Number: (323) 552-7518

Call type: Scam

Rating: -5

Random dialing used as 'head of household' is requested by caller. CID = Los Angeles CA, but caller is requesting money for the police dept. Odd request as federal, state, county and city taxes more than cover all police needs in L.A. Probably a SCAM.

crystal ehler, 2018-02-22 13:07:43

Number: (786) 329-0291

Call type: Harassment

Rating: 5

this guy by the name of Cairo J Gutierrez threatened to kill me if i don't give him 20,000 dollars by march 10th. that he will kill me with a gun. i'm really scared. he also, said if i told anyone he would hurt my friends and family. my email address is [email protected]

Mac, 2018-02-22 12:03:56

Number: (323) 580-1808

Call type: Scam

Rating: -5

Don't trust this guy, he is a Craigslist scammer!

Bill, 2018-02-22 12:02:54

Number: (415) 335-4921

Call type: Positive

Rating: 5

Discord phone verification.

Q, 2018-02-22 11:42:07

Number: (508) 659-5389

Call type: Harassment

Rating: -5

I recieved texts from this number. Sayin they were "gonna f*** my tiny butthole so hard ill s***" & called me "a cock whore".
Research tells me this is a massachusettes number. I live in cincinnati, ohio. Ive never even been to massachusettes.
Who is this?? Losers.

M. J, 2018-02-22 11:13:45

Number: (719) 638-5955

Call type: Debt collector

Rating: -5

Process server for court debt collector

Joe blow, 2018-02-22 10:49:09

Number: (916) 581-0936

Call type: Scam

Rating: -1

Recorded stament that they are the I.R.S. NO NOT ANSWER OR CALL THE NUMBER THEY GIVE THE IRS DOES NOT CALL PEOPLE THEY SEND MAIL.

bobba, 2018-02-22 09:42:22

Number: (205) 482-8704

Call type: Unknown

Rating: -2

205-482-8704 in a series of calls from 205-482-xxxx about every 2.5 hours. Never left message

Chaz, 2018-02-22 09:27:32

Number: (805) 766-9157

Call type: Scam

Rating: -5

I keep getting calls from 766 numbers where they listen for about 5 seconds and then hang up

Katherine, 2018-02-22 09:02:46

Number: (208) 272-1739

Call type: Unknown

Rating: 0

Missed call, I just know it's in boise area

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