Prefix 312-399
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 399 | 6 | COOK | 41.74650000 | -87.80400000 | W | 1999-07-22 00:00:00 | 60638 | 17031 | 358 | SPRINT SPECTRUM L.P. | CHICGOZN01 | 6664 | CHICAGO |
Phone Numbers
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