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# PhoneNumber Subobject

The `PhoneNumber` object is used to store customer phone number information, for use in Carrier Billing. This object is optional. Information contained within it is not required to be passed to the payment provider at this time.

For more information, see Using Carrier Billing for One-Time Transactions in the Subscribe Programming Guide.

The `PhoneNumber` object describes a customer phone number used for Carrier Billing.

| Data Member | Data Type | Description |
| - | - | - |
| `areaCode` | string | **Required.** The area code segment of the phone number. |
| `countryCode` | string | The Country Code segment of the phone number. |
| `extension` | string | The phone number’s extension. |
| `localNumber` | string | **Required.** The local number (excluding extension). |
| `phoneType` | PhoneType | The type of phone. |
| `rawInput` | string | Raw, unfiltered data input by customer. |

**Parent topic:**[PaymentMethod Subobjects](../topics/PaymentMethod_Subobjects)


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