Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 793K TWC IP ENABLED SERVICES, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
937-717 6 Springfield OH   328   2007-06-08   
937-717 9 Springfield OH   328   2008-08-01   
937-719 3 West Milton OH   328   2007-02-16   
937-719 9 West Milton OH   328   2013-10-10   
937-720 A New Paris OH   328      
937-720 4 New Paris OH   328   2007-02-16   
937-723 6 Dayton OH   328   2007-06-12   
937-723 7 Dayton OH   328   2007-06-12   
937-723 8 Dayton OH   328   2007-06-26   
937-723 9 Dayton OH   328   2007-06-26   
937-736 2 Xenia OH   328   2012-02-29   
937-737 A Arcanum OH   328      
937-737 0 Arcanum OH   328      
937-738 2 Marysville OH   923   2009-04-01   
937-738 7 Marysville OH   923   2007-02-13   
937-744 A Tipp City OH   328      
937-744 0 Tipp City OH   328   2018-09-28   
937-745 A Rosewood OH BLLFOHXAX2X  923   2025-02-20   
937-745 0 Rosewood OH   923      
937-753 1 Covington OH   328   2007-02-16   
937-755 4 New Madison OH   328   2007-07-04   
937-757 3 West Manchester OH   328   2007-07-04   
937-765 9 New Carlisle OH   328   2013-10-10   
937-770 1 Brookville OH   328   2007-02-16   
937-770 3 Brookville OH   328   2013-10-10   
937-771 0 Englewood OH   328   2007-02-16   
937-772 A Urbana OH   328      
937-772 4 Urbana OH   328   2015-09-17   
937-772 9 Urbana OH   328   2013-10-10   
937-779 3 West Union OH   328   2007-02-16   
937-780 1 Leesburg OH   328   2007-02-16   
937-785 A Rossburg OH   328      
937-785 4 Rossburg OH   328   2007-07-04   
937-790 1 Franklin OH   328   2013-10-10   
937-790 3 Franklin OH   328   2015-01-04   
937-795 5 Aberdeen OH   328   2007-03-19   
937-798 A Peebles OH   328      
937-798 4 Peebles OH   328   2007-02-16   
937-802 5 Dayton OH   328   2013-10-05   
937-803 0 Greenfield OH   328   2013-10-10   
937-805 A Wilmington OH   328      
937-805 0 Wilmington OH   328   2016-05-06   
937-805 4 Wilmington OH   328   2013-10-10   
937-806 3 Franklin OH   328   2015-12-20   
937-806 8 Franklin OH   328   2012-03-20   
937-808 A Greenville OH   328      
937-808 4 Greenville OH   328   2013-10-10   
937-810 1 Russells Point OH   923   2013-09-30   
937-813 A Dayton OH   328      
937-813 1 Dayton OH   328   2013-11-17   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.