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: 637C ONVOY, LLC - NJ

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
551-451 2 Cliffside NJ NWRKNJMDDSK  224   2023-10-21   
551-451 3 Cliffside NJ NWRKNJMDDSK  224   2023-06-19   
551-451 4 Cliffside NJ NWRKNJMDDSK  224   2023-03-20   
551-451 5 Cliffside NJ NWRKNJMDDSK  224   2023-03-20   
551-451 6 Cliffside NJ NWRKNJMDDSK  224   2023-03-20   
551-451 7 Cliffside NJ NWRKNJMDDSK  224   2023-10-21   
551-455 A Fair Lawn NJ NWRKNJMDDSK  224      
551-455 5 Fair Lawn NJ NWRKNJMDDSK  224   2021-03-29   
551-455 6 Fair Lawn NJ NWRKNJMDDSK  224   2021-03-29   
551-455 7 Fair Lawn NJ NWRKNJMDDSK  224   2021-03-29   
551-455 8 Fair Lawn NJ NWRKNJMDDSK  224   2021-03-29   
551-465 3 Leonia NJ NWRKNJMDDSK  224   2020-05-01   
551-465 4 Leonia NJ NWRKNJMDDSK  224   2020-05-01   
551-465 5 Leonia NJ NWRKNJMDDSK  224   2020-08-15   
551-465 7 Leonia NJ NWRKNJMDDSK  224   2020-08-15   
551-465 9 Leonia NJ NWRKNJMDDSK  224   2020-08-15   
551-500 A Ramsey NJ NWRKNJMDDSK  224      
551-500 0 Ramsey NJ NWRKNJMDDSK  224   2014-05-25   
551-501 A Englewood NJ NWRKNJMDDSK  224      
551-501 1 Englewood NJ NWRKNJMDDSK  224   2020-07-26   
551-501 2 Englewood NJ NWRKNJMDDSK  224   2020-07-26   
551-501 3 Englewood NJ NWRKNJMDDSK  224   2020-07-26   
551-501 5 Englewood NJ NWRKNJMDDSK  224   2025-01-06   
551-501 7 Englewood NJ NWRKNJMDDSK  224   2025-01-06   
551-525 A Jersey City NJ NWRKNJMDDSK  224      
551-525 1 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 2 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 3 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 4 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 5 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 6 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 7 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 8 Jersey City NJ NWRKNJMDDSK  224   2023-12-18   
551-525 9 Jersey City NJ NWRKNJMDDSK  224   2024-01-06   
551-529 4 Union City NJ NWRKNJMDDSK  224   2020-08-15   
551-529 5 Union City NJ NWRKNJMDDSK  224   2020-08-15   
551-550 A Jersey City NJ NWRKNJMDDSK  224      
551-550 0 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 1 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 2 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 3 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 4 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 5 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 6 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 7 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 8 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-550 9 Jersey City NJ NWRKNJMDDSK  224   2022-05-22   
551-551 A Jersey City NJ NWRKNJMDDSK  224   2025-10-16   
551-551 0 Jersey City NJ NWRKNJMDDSK  224   2025-10-16   
551-551 1 Jersey City NJ NWRKNJMDDSK  224   2025-10-16   

<< 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 >>

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.