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![]() Date: 2015-01-20 08:37:25Telcordia LERG Routing Guide Area code 246 Telephone exchange Permissive dialing Communication Information Technology North American Numbering Plan expansion Telephone numbers North American Numbering Plan Telephone numbering plan | Add to Reading List |
![]() | 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 |
![]() | Quentin Sager Consulting, Inc. [NALENND™ PREMIUM EDITION] North American Local Exchange NPA NXX Database reference manualDocID: 18PAb - View Document |
![]() | Re: Utah – Overlay Relief Plan NPADear Customer,DocID: 18Pbu - View Document |