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: 464C ONVOY, LLC - OH

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
740-997 1 Beallsville OH   324   2016-04-14   
740-997 2 Beallsville OH   324   2016-04-14   
740-997 6 Beallsville OH   324   2015-08-01   
740-999 A Corning OH   324      
740-999 4 Corning OH   324   2021-03-11   
740-999 8 Corning OH   324   2015-08-01   
937-200 3 Fairborn OH   328   2020-11-15   
937-200 7 Fairborn OH   328   2020-11-15   
937-200 9 Fairborn OH   328   2021-03-12   
937-229 6 Dayton OH   328   2021-09-08   
937-230 A Milford Center OH MNFDOHXAXDX  923      
937-230 1 Milford Center OH   923   2016-05-07   
937-230 2 Milford Center OH   923   2016-05-07   
937-230 3 Milford Center OH   923   2016-05-07   
937-230 7 Milford Center OH   923   2020-04-25   
937-230 8 Milford Center OH   923   2020-04-25   
937-240 5 Belle Center OH   923   2016-04-19   
937-240 6 Belle Center OH   923   2016-04-19   
937-240 8 Belle Center OH   923   2016-04-19   
937-249 3 Aberdeen OH   328   2016-08-06   
937-249 4 Aberdeen OH   328   2016-08-06   
937-249 9 Aberdeen OH   328   2015-08-07   
937-250 1 Dayton OH   328   2017-11-01   
937-265 6 Pitchin OH   328   2012-10-15   
937-288 8 Danville (Highland) OH   328   2015-01-23   
937-314 5 Donnelsville OH   328   2021-03-12   
937-314 6 Donnelsville OH   328   2012-10-15   
937-315 6 Medway OH   328   2012-10-15   
937-319 3 Yellow Springs-Clifton OH   328   2012-10-15   
937-326 0 Miamisburg-West Carrollton OH   328   2024-12-14   
937-326 1 Miamisburg-West Carrollton OH   328   2025-02-02   
937-326 2 Miamisburg-West Carrollton OH   328   2025-05-09   
937-326 3 Miamisburg-West Carrollton OH   328   2025-07-20   
937-326 4 Miamisburg-West Carrollton OH   328   2025-10-26   
937-326 5 Miamisburg-West Carrollton OH   328   2025-10-10   
937-326 6 Miamisburg-West Carrollton OH   328   2025-10-10   
937-326 7 Miamisburg-West Carrollton OH   328   2025-09-06   
937-326 8 Miamisburg-West Carrollton OH   328   2025-04-12   
937-340 7 Enon OH   328   2012-10-15   
937-345 5 Dayton OH   328   2024-07-12   
937-348 4 Magnetic Springs OH   923   2016-04-26   
937-348 6 Magnetic Springs OH   923   2016-04-26   
937-348 8 Magnetic Springs OH   923   2016-04-26   
937-351 5 Marysville OH   923   2023-05-22   
937-351 6 Marysville OH   923   2024-02-04   
937-351 8 Marysville OH   923   2023-08-28   
937-353 9 Miamisburg-West Carrollton OH   328   2024-02-04   
937-355 1 West Mansfield OH   923   2016-04-21   
937-355 2 West Mansfield OH   923   2016-04-21   
937-355 5 West Mansfield OH   923   2016-04-21   

<< 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 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.