iPhoneのアドレス帳から電話番号を取り出すサンプルコード

GetAddressBookPerson.m

#import <AddressBook/AddressBook.h>

//...

NSString *title = @"";
ABAddressBookRef addressBook = ABAddressBookCreate();
CFArrayRef people = ABAddressBookCopyPeopleWithName(addressBook, CFSTR("ほげほげ"));
if (CFArrayGetCount(people) > 0) {
	ABRecordRef recordRef = (ABRecordRef)CFArrayGetValueAtIndex(people, 0);
	ABMultiValueRef phones = ABRecordCopyValue(recordRef, kABPersonPhoneProperty);
	if (ABMultiValueGetCount(phones) > 0) {
		title = (NSString *)ABMultiValueCopyValueAtIndex(phones, 0);
	}
	CFRelease(phones);
}