Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 637C ONVOY, LLC - NJ

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-688 1 Newark NJ NWRKNJMDDSK  224   2020-01-18   
973-688 5 Newark NJ NWRKNJMDDSK  224   2019-12-15   
973-688 6 Newark NJ NWRKNJMDDSK  224   2019-12-15   
973-688 9 Newark NJ NWRKNJMDDSK  224   2020-01-18   
973-695 3 Morristown NJ NWRKNJMDDSK  224   2017-05-12   
973-706 2 Mountain View NJ NWRKNJMDDSK  224   2018-09-07   
973-712 8 Livingston NJ NWRKNJMDDSK  224   2021-07-16   
973-730 8 Morristown NJ   224   2026-02-07   
973-734 5 Morristown NJ NWRKNJMDDSK  224   2020-10-24   
973-755 0 Newark NJ NWRKNJMDDSK  224   2016-02-26   
973-755 3 Newark NJ NWRKNJMDDSK  224   2015-09-18   
973-755 9 Newark NJ NWRKNJMDDSK  224   2016-02-26   
973-758 2 Livingston NJ NWRKNJMDDSK  224   2022-09-25   
973-765 2 Madison NJ NWRKNJMDDSK  224   2013-10-13   
973-787 5 Caldwell NJ NWRKNJMDDSK  224   2022-10-02   
973-791 4 Chatham NJ NWRKNJMDDSK  224   2022-09-24   
973-791 5 Chatham NJ NWRKNJMDDSK  224   2022-09-24   
973-791 6 Chatham NJ NWRKNJMDDSK  224   2022-09-24   
973-791 7 Chatham NJ NWRKNJMDDSK  224   2022-09-24   
973-791 8 Chatham NJ NWRKNJMDDSK  224   2022-09-24   
973-791 9 Chatham NJ NWRKNJMDDSK  224   2022-09-24   
973-793 8 Whippany NJ NWRKNJMDDSK  224   2015-01-07   
973-793 9 Whippany NJ NWRKNJMDDSK  224   2015-01-07   
973-814 6 Newfoundland NJ NWRKNJMDDSK  224   2010-08-28   
973-821 0 South Orange NJ NWRKNJMDDSK  224   2021-03-12   
973-828 8 Morristown NJ NWRKNJMDDSK  224   2015-01-03   
973-828 9 Morristown NJ NWRKNJMDDSK  224   2015-01-03   
973-832 0 Mountain View NJ NWRKNJMDDSK  224   2016-03-21   
973-832 1 Mountain View NJ NWRKNJMDDSK  224   2016-03-21   
973-833 1 South Orange NJ NWRKNJMDDSK  224   2021-03-12   
973-833 2 South Orange NJ NWRKNJMDDSK  224   2020-06-11   
973-833 3 South Orange NJ NWRKNJMDDSK  224   2015-08-14   
973-833 4 South Orange NJ NWRKNJMDDSK  224   2016-03-24   
973-833 5 South Orange NJ NWRKNJMDDSK  224   2016-03-24   
973-833 6 South Orange NJ NWRKNJMDDSK  224   2020-06-11   
973-834 0 Erskine Lakes NJ NWRKNJMDDSK  224   2019-05-06   
973-834 1 Erskine Lakes NJ NWRKNJMDDSK  224   2019-05-06   
973-834 5 Erskine Lakes NJ NWRKNJMDDSK  224   2020-06-04   
973-834 6 Erskine Lakes NJ NWRKNJMDDSK  224   2020-06-04   
973-834 7 Erskine Lakes NJ NWRKNJMDDSK  224   2020-08-15   
973-834 8 Erskine Lakes NJ NWRKNJMDDSK  224   2020-08-15   
973-836 5 Passaic NJ NWRKNJMDDSK  224   2015-01-03   
973-836 7 Passaic NJ NWRKNJMDDSK  224   2015-01-03   
973-840 7 Caldwell NJ NWRKNJMDDSK  224   2016-03-23   
973-840 8 Caldwell NJ NWRKNJMDDSK  224   2016-03-23   
973-843 A South Orange NJ   224      
973-843 5 South Orange NJ NWRKNJMDDSK  224   2005-11-01   
973-843 6 South Orange NJ NWRKNJMDDSK  224   2018-09-07   
973-846 1 West Milford NJ NWRKNJMDDSK  224   2022-10-02   
973-846 9 West Milford NJ NWRKNJMDDSK  224   2022-10-02   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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