| 单词 | 1010XXX |
| 释义 | 1010XXX The number format in the United States for accessing an interexchange carrier (IXC) for casual callers without a presubscription agreement with an IXC and for dial-around purposes in the event that the presubscribed carrier is suffering from network congestion or a failure.The format originally was 10XXX, but competition encouraged the formation of so many IXCs that the format had to be expanded. See also IXC and presubscription. |
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