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.

NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-343 4 Commack NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2004-01-31   
631-343 5 Commack NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2011-02-21   
631-343 6 Commack NY   282E YMAX COMMUNICATIONS CORP. - NY 132   2008-03-07   
631-343 7 Commack NY   7126 CABLEVISION LIGHTPATH, INC. - NY 132   2003-11-01   
631-343 8 Commack NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-08-02   
631-343 9 Commack NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-10-09   
631-344 A Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK, INC. 132      
631-345 A Yaphank NY YPHNNYYADS0  9104 VERIZON NEW YORK, INC. 132      
631-345 0 Yaphank NY   9104 VERIZON NEW YORK, INC. 132      
631-345 1 Yaphank NY   384C ONVOY, LLC- NY 132   2023-08-09   
631-345 2 Yaphank NY   9104 VERIZON NEW YORK, INC. 132      
631-345 3 Yaphank NY   9104 VERIZON NEW YORK, INC. 132      
631-345 4 Yaphank NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-04-02   
631-345 5 Yaphank NY   9104 VERIZON NEW YORK, INC. 132      
631-345 6 Yaphank NY   9104 VERIZON NEW YORK, INC. 132      
631-345 7 Yaphank NY   384C ONVOY, LLC- NY 132   2023-08-09   
631-345 8 Yaphank NY   384C ONVOY, LLC- NY 132   2019-04-29   
631-345 9 Yaphank NY   9104 VERIZON NEW YORK, INC. 132      
631-346 A Selden NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132      
631-346 0 Selden NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-10-17   
631-346 1 Selden NY   5562 METROPCS, INC. 132   2011-07-29   
631-346 2 Selden NY   5562 METROPCS, INC. 132   2011-08-12   
631-346 3 Selden NY   7126 CABLEVISION LIGHTPATH, INC. - NY 132   2011-10-20   
631-346 4 Selden NY   473G TELENGY L.L.C. - NY 132   2012-02-27   
631-346 5 Selden NY   5562 METROPCS, INC. 132   2011-06-09   
631-346 6 Selden NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2011-02-24   
631-346 7 Selden NY   5562 METROPCS, INC. 132   2011-03-11   
631-346 8 Selden NY   5562 METROPCS, INC. 132   2011-01-24   
631-346 9 Selden NY   5562 METROPCS, INC. 132   2010-12-31   
631-347 A Brentwood NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2024-01-31   
631-347 0 Brentwood NY   073H TELNYX LLC 132   2024-02-24   
631-347 1 Brentwood NY   384C ONVOY, LLC- NY 132   2024-07-27   
631-347 2 Brentwood NY   6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 132   2024-08-23   
631-347 3 Brentwood NY   384C ONVOY, LLC- NY 132   2024-09-15   
631-347 4 Brentwood NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2024-10-11   
631-347 5 Brentwood NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2024-06-07   
631-347 6 Brentwood NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2024-06-07   
631-347 7 Brentwood NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2024-06-07   
631-347 8 Brentwood NY   6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 132   2024-02-01   
631-347 9 Brentwood NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2024-01-29   
631-348 A Central Islip NY BRWDNYBWDS0  9104 VERIZON NEW YORK, INC. 132      
631-349 A Orient NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-349 0 Orient NY   384C ONVOY, LLC- NY 132   2023-08-11   
631-349 1 Orient NY   384C ONVOY, LLC- NY 132   2022-10-16   
631-349 2 Orient NY   384C ONVOY, LLC- NY 132   2023-01-01   
631-349 3 Orient NY   384C ONVOY, LLC- NY 132   2022-04-01   
631-349 4 Orient NY   384C ONVOY, LLC- NY 132   2023-02-19   
631-350 A Huntington NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-350 0 Huntington NY   831C INTRADO COMMUNICATIONS, LLC 132   2016-09-02   
631-350 1 Huntington NY   7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      

<< 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 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.