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| First Page | Document Content | |
|---|---|---|
 Date: 2009-08-21 14:59:45Telcordia LERG Routing Guide Area code 246 Communication Overlay plan Permissive dialing Telephone exchange Information North American Numbering Plan expansion Telephone numbers North American Numbering Plan Telephone numbering plan |
| Number: PL- 482 Date: May 13, 2015 Subject: NPA 463 to Overlay NPA 317 (Indiana) Related Previous Planning Letters: General DescriptionDocID: 1aj0T - View Document |
| Number: PL- 482 Date: May 13, 2015 Subject: NPA 463 to Overlay NPA 317 (Indiana) Related Previous Planning Letters: General DescriptionDocID: 1adC2 - View Document |
| Number: PL- 482 Date: May 13, 2015 Subject: NPA 463 to Overlay NPA 317 (Indiana) Related Previous Planning Letters: General DescriptionDocID: 19nrB - View Document |
| Re: Utah – Overlay Relief Plan NPADear Customer,DocID: 18Pbu - View Document |
| April 23, 2010 Re: WI – Overlay Relief Plan AREA CODEto Overlay AREA CODE (715) 2nd Notification – 60 Day In Advance of Mandatory Date ofDocID: 18Djf - View Document |