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: 145J TERRA NOVA TELECOM INC.

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
951-840 3 Arlington CA LSANCAJWHMD  730   2024-12-30   
952-290 2 New Prague MN   628   2025-07-04   
952-866 6 Norwood MN   628   2025-05-29   
956-217 1 McAllen TX HRLNTXDU7MD  568   2024-11-10   
956-234 6 San Benito TX HRLNTXDU7MD  568   2023-08-06   
956-239 6 Edinburg TX HRLNTXDU7MD  568   2024-05-10   
956-258 9 Pharr TX HRLNTXDU7MD  568   2024-11-14   
956-277 7 La Feria TX HRLNTXDU7MD  568   2024-11-25   
956-284 1 Laredo TX SNANTXCA85Z  566   2024-04-23   
956-294 7 Mercedes TX HRLNTXDU7MD  568   2024-11-25   
956-317 6 Rio Grande City TX HRLNTXDU7MD  568   2024-04-23   
956-321 2 Mission TX HRLNTXDU7MD  568   2024-12-30   
956-339 9 Edinburg TX   568   2022-10-03   
956-438 7 Pharr TX HRLNTXDU7MD  568   2024-04-23   
956-447 7 Weslaco TX HRLNTXDU7MD  568   2024-11-15   
956-490 0 Harlingen TX   568   2025-10-31   
956-494 4 Harlingen TX HRLNTXDU7MD  568   2024-11-13   
956-524 1 Port Isabel TX HRLNTXDU7MD  568   2024-04-23   
956-535 6 Harlingen TX   568   2023-08-06   
956-557 5 McCook TX   568   2025-08-15   
956-567 7 Edcouch TX HRLNTXDU7MD  568   2024-11-25   
956-577 8 Harlingen TX HRLNTXDU7MD  568   2024-05-10   
956-577 9 Harlingen TX   568   2023-01-14   
956-598 9 Mission TX   568   2023-11-16   
956-676 6 Brownsville TX HRLNTXDU7MD  568   2022-07-05   
956-690 2 Raymondville TX   568   2023-04-29   
956-773 6 Lasara TX   568   2025-08-22   
956-780 7 Mission TX HRLNTXDU7MD  568   2024-05-26   
956-808 A Harlingen TX HRLNTXDU7MD  568      
956-808 8 Harlingen TX   568   2022-07-30   
956-848 9 Falcon Heights TX   568   2022-07-05   
959-228 2 Cornwall CT   920   2025-04-08   
959-277 7 Norwich CT   920   2025-07-26   
959-900 A Hartford CT HRFRCT03XMX  920      
959-900 0 Hartford CT   920   2019-02-14   
970-232 7 Fort Collins CO   656   2021-04-28   
970-258 2 Montrose CO   656   2022-08-02   
970-258 9 Montrose CO   656   2023-02-16   
970-272 2 Maybell CO   656   2025-05-15   
970-291 2 Steamboat Springs CO DNVRCO26XSX  656   2024-08-21   
970-303 0 Windsor CO   656   2025-04-16   
970-320 0 Eckert CO   656   2025-05-15   
970-333 2 Dillon CO DNVRCO26XSX  656   2024-11-12   
970-361 9 Grand Junction CO DNVRCO26XSX  656   2024-02-02   
970-369 3 Telluride CO   656   2023-06-24   
970-418 1 Dillon CO   656   2023-08-06   
970-418 2 Dillon CO   656   2022-11-03   
970-418 4 Dillon CO   656   2025-08-28   
970-441 2 Fort Morgan CO   656   2021-04-28   
970-444 3 Bayfield CO   656   2022-07-04   
970-444 6 Bayfield CO DNVRCO26XSX  656   2024-09-09   
970-452 3 Aspen CO   656   2022-10-07   
970-458 0 Sterling CO   656   2021-09-28   
970-486 9 Dillon CO DNVRCO26XSX  656   2024-05-10   
970-536 4 New Castle CO DNVRCO26XSX  656   2024-09-09   
970-552 2 Akron CO   656   2025-05-15   
970-558 8 Hotchkiss CO   656   2025-05-21   
970-570 1 Cortez CO   656   2023-08-06   
970-576 7 Greeley CO   656   2023-06-23   
970-584 3 Greeley CO   656   2025-02-14   
970-595 5 Eckley CO   656   2025-05-21   
970-608 8 Greeley CO   656   2025-10-04   
970-614 2 La Salle CO   656   2022-06-30   
970-642 7 Gunnison CO   656   2021-11-04   
970-671 3 Collbran CO   656   2025-05-24   
970-687 9 Gypsum CO   656   2025-05-15   
970-701 3 Craig CO   656   2021-01-12   
970-705 5 Eagle CO   656   2025-05-15   
970-706 6 Rangely CO   656   2025-05-15   
970-727 7 Crested Butte CO   656   2022-12-14   
970-733 7 Dolores CO   656   2025-06-11   
970-739 2 Cortez CO   656   2021-01-12   
970-772 7 Gilcrest CO DNVRCO26XSX  656   2024-08-08   
970-788 9 Allison CO   656   2025-05-15   
970-796 3 Otis CO   656   2025-05-26   
970-816 9 Cortez CO DNVRCO26XSX  656   2024-05-10   
970-838 8 Walden CO   656   2025-05-24   
970-856 2 Cedaredge CO   656   2025-05-24   
970-887 6 Granby CO   656   2023-06-23   
970-899 8 Lodore CO   656   2025-05-15   
970-904 4 Vail CO DNVRCO26XSX  656   2024-02-14   
970-904 5 Vail CO DNVRCO26XSX  656   2024-12-30   
970-921 6 Crawford CO   656   2025-05-24   
970-922 4 Aspen CO   656   2023-06-24   
970-929 6 Somerset CO   656   2025-05-15   
970-965 2 Yuma CO   656   2025-05-15   
970-966 1 Loveland CO   656   2023-08-05   
970-969 9 Pagosa Springs CO   656   2025-05-15   
970-977 6 Vail CO   656   2025-10-12   
970-979 7 Edwards CO   656   2025-05-21   
970-989 5 Glenwood Springs CO   656   2021-04-28   
970-992 9 Dove Creek CO   656   2025-05-15   
970-993 9 Marvel CO   656   2025-05-15   
970-998 9 McCoy CO   656   2025-05-15   
971-225 5 St Helens OR PTLDOR13X9X  672   2024-12-04   
971-240 6 Salem OR PTLDOR13X9X  672   2024-12-04   
971-309 9 Willamina OR   672   2025-07-12   
971-324 2 Nehalem OR   672   2025-07-12   
971-366 9 Beaver OR   672   2025-07-12   
971-390 0 Jewell OR   672   2025-07-12   

<< 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 >>

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.