Prefix 312-979
Area Code 312 Details
County: COOK
| Code | Other Cities | Timezone | County | Latitude | Longitude | Daylight Saving Time | Connection Type | NXX Created At | Zip Code | Fips | Lata | Carrier | Overlay | Rate Center | Ocn | Coverage Area | Active |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 979 | 6 | COOK | 41.89210000 | -87.63110000 | W | 1994-02-04 00:00:00 | 60601 | 17031 | 358 | AMERITECH ILLINOIS | CHICGOZN01 | 9329 | CHICAGO |
Phone Numbers
| Phone Number | Score | Updated At |
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