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Permissive dialing
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#	Item
1	Number: PL- 482 Date: May 13, 2015 Subject: NPA 463 to Overlay NPA 317 (Indiana) Related Previous Planning Letters: General Description Add to Reading List Source URL: www.nationalnanpa.com Language: English - Date: 2015-05-13 13:42:12 Area code 246 Telcordia LERG Routing Guide Communication Permissive dialing Overlay plan Telephone exchange Information North American Numbering Plan expansion Area codes 519 and 226 Telephone numbers North American Numbering Plan Telephone numbering plan
2	Number: PL- 482 Date: May 13, 2015 Subject: NPA 463 to Overlay NPA 317 (Indiana) Related Previous Planning Letters: General Description Add to Reading List Source URL: www.nanpa.com Language: English - Date: 2015-05-13 13:42:12 Area code 246 Telcordia LERG Routing Guide Communication Permissive dialing Overlay plan Telephone exchange Information North American Numbering Plan expansion Area codes 519 and 226 Telephone numbers North American Numbering Plan Telephone numbering plan
3	Number: PL- 482 Date: May 13, 2015 Subject: NPA 463 to Overlay NPA 317 (Indiana) Related Previous Planning Letters: General Description Add to Reading List Source URL: nanpa.com Language: English - Date: 2015-05-13 13:42:12 Area code 246 Telcordia LERG Routing Guide Communication Permissive dialing Overlay plan Telephone exchange Information North American Numbering Plan expansion Area codes 519 and 226 Telephone numbers North American Numbering Plan Telephone numbering plan
4	Re: Utah – Overlay Relief Plan NPADear Customer, Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:03 Telephony Identification Telephone numbering plan Area code 246 Ten-digit dialing Overlay plan Permissive dialing 9-1-1 North American Numbering Plan expansion North American Numbering Plan Telephone numbers Numbers
5	April 23, 2010 Re: WI – Overlay Relief Plan AREA CODEto Overlay AREA CODE (715) 2nd Notification – 60 Day In Advance of Mandatory Date of Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:02 Telephony Identification Identifiers Telephone numbering plan Ten-digit dialing Overlay plan Permissive dialing Area code 246 9-1-1 Telephone numbers North American Numbering Plan Numbers
6	January 26, 2012 Re: REMINDER – 2nd Notification – Mandatory Dialing – March 31, 2012 Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:02 Telephony Communications in North America Telephone numbering plan Ten-digit dialing Area code 246 Overlay plan Permissive dialing North American Numbering Plan expansion Telephone exchange Telephone numbers North American Numbering Plan Numbers
7	April 24, 2009 Re: CA – Overlay Relief Plan NPAto NPA (747) Mandatory Dialing Date of April 18, 2009 Commenced Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:02 Identification Numbers Telephony Telephone numbering plan Area code 246 Ten-digit dialing Overlay plan Permissive dialing 9-1-1 North American Numbering Plan Telephone numbers Identifiers
8	September 2, 2009 Re: IL – Overlay Relief Plan AREA CODEto Overlay AREA CODEs) Permissive Dialing Date of August 7, 2009 Commenced 2nd Notification Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:02 Telephony Identification Identifiers Telephone numbering plan Ten-digit dialing Overlay plan Permissive dialing Area code 246 9-1-1 Telephone numbers North American Numbering Plan Numbers
9	August 17, 2009 Re: WI – Overlay Relief Plan NPAto Overlay NPADear Customer, Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:02 Telephony Identification Telephone numbering plan Area code 246 Ten-digit dialing Overlay plan Permissive dialing 9-1-1 North American Numbering Plan expansion North American Numbering Plan Telephone numbers Numbers
10	March 29, 2012 Re: CA– Overlay Relief Plan AREA CODEto Overlay AREA CODE (408) 1st Notification Add to Reading List Source URL: www.granitenet.com Language: English - Date: 2014-03-04 12:39:02 Telephone numbering plan Ten-digit dialing Overlay plan Area code 246 Permissive dialing North American Numbering Plan expansion Telephone numbers North American Numbering Plan Communication