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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
551-428 8 Jersey City NJ   224   2026-07-20   
551-430 4 Jersey City NJ NWRKNJMDDSK  224   2020-10-26   
551-430 5 Jersey City NJ NWRKNJMDDSK  224   2020-10-26   
551-431 1 Jersey City NJ NWRKNJMDDSK  224   2026-05-02   
551-431 8 Jersey City NJ NWRKNJMDDSK  224   2026-03-15   
551-431 9 Jersey City NJ NWRKNJMDDSK  224   2026-04-11   
551-433 1 Hackensack NJ NWRKNJMDDSK  224   2026-02-02   
551-433 8 Hackensack NJ NWRKNJMDDSK  224   2026-03-15   
551-433 9 Hackensack NJ NWRKNJMDDSK  224   2026-05-31   
551-434 0 Bayonne NJ NWRKNJMDDSK  224   2026-04-04   
551-434 1 Bayonne NJ NWRKNJMDDSK  224   2026-05-31   
551-435 1 Bayonne NJ   224   2026-07-24   
551-435 2 Bayonne NJ   224   2026-07-24   
551-435 9 Bayonne NJ   224   2026-07-24   
551-436 A Englewood NJ   224   2026-08-30   
551-436 0 Englewood NJ   224   2026-08-30   
551-436 1 Englewood NJ   224   2026-08-30   
551-437 A Teaneck NJ   224   2026-08-30   
551-437 0 Teaneck NJ   224   2026-08-30   
551-438 A Union City NJ   224   2026-09-17   
551-438 0 Union City NJ   224   2026-09-17   
551-444 4 Fair Lawn NJ NWRKNJMDDSK  224   2016-05-01   
551-444 5 Fair Lawn NJ NWRKNJMDDSK  224   2013-12-13   
551-451 A Cliffside NJ NWRKNJMDDSK  224      
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   

<< 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 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.