Newcastle, OK Area Codes
Newcastle is served by area code 405. It is in Oklahoma, McClain County. About 11,685 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 405 |
| State / province | Oklahoma |
| County | McClain County |
| Population | 11,685 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 35.2553, -97.6101 |
What area code is Newcastle in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 405 | Oklahoma | 1,684,706 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Tuttle 405, 572Norman 405, 572Blanchard 405Mustang 405, 572Bethany 405, 572Oklahoma City 405, 572Purcell 405Yukon 405, 572
How to dial
Dial 405 + 7 digits for a number in Newcastle, or +1 405 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.