The 773 Area Code (or Area Code 773) is located in the state of IL. Area Code 773 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 3.73 million unique phone numbers and 13.4 million individuals near the city of Chicago
Area code 773 was put into service. Area code 773 was created from a split of area code 312. In 2009 area code 773 was overlaid with area code 872.
Arlington Heights, Bensenville, Chicago, Cicero, Des Plaines, Elk Grove Village, Evanston, Oak Brook, Park Ridge, River Grove, Schiller Park, Summit, Wood Dale.
| PREFIX | COUNTY | CITY | CARRIER | TYPE |
|---|---|---|---|---|
| 773-990 | Cook | Chicago | Ameritech Illinois | Landline |
| 773-991 | Cook | Chicago | Sprint Spectrum L.p. | Wireless |
| 773-992 | Cook | Schiller Park | Ameritech Illinois | Landline |
| 773-993 | Cook | Chicago | Sprint Spectrum L.p. | Wireless |
| 773-994 | Cook | Chicago | Ameritech Illinois | Landline |
| 773-995 | Cook | Chicago | Ameritech Illinois | Landline |
| 773-996 | Cook | Chicago | T-Mobile Usa, Inc. | Wireless |
| 773-997 | Cook | Chicago | T-Mobile Usa, Inc. | Wireless |
| 773-998 | Cook | Chicago | New Cingular Wireless Pcs, Llc - IL | Wireless |
| 773-999 | Cook | Chicago | New Cingular Wireless Pcs, Llc - IL | Wireless |
| Phone Number 773-232-4822 |
USAGE Wireless |
City Chicago |
Operate Read more about who called from 7732324822 |
Update Time Mar-26-2026 |
| Phone Number 773-300-8668 |
USAGE Wireless |
City Chicago |
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Update Time Mar-26-2026 |
| Phone Number 773-627-9698 |
USAGE Landline |
City Oak Brook |
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Update Time Mar-26-2026 |
| Phone Number 773-249-1150 |
USAGE Landline |
City Chicago |
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Update Time Mar-26-2026 |
| Phone Number 773-243-0399 |
USAGE Landline |
City Wood Dale |
Operate Read more about who called from 7732430399 |
Update Time Mar-26-2026 |
| Phone Number 773-217-7037 |
USAGE Landline |
City Chicago |
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Update Time Mar-26-2026 |
| Phone Number 773-241-7191 |
USAGE Landline |
City Chicago |
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Update Time Mar-26-2026 |
| Phone Number 773-830-0008 |
USAGE Landline |
City Chicago |
Operate Read more about who called from 7738300008 |
Update Time Mar-26-2026 |
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