Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 551 [Rate centres in NPA 551] [Dial plan for NPA 551]

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-866 A Cliffside NJ JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224      
551-866 0 Cliffside NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2022-09-15   
551-866 1 Cliffside NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2022-09-15   
551-866 2 Cliffside NJ JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224   2022-04-07   
551-866 3 Cliffside NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2022-09-15   
551-866 4 Cliffside NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2023-03-30   
551-866 5 Cliffside NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2022-04-08   
551-866 6 Cliffside NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2022-04-08   
551-866 7 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2022-09-30   
551-866 8 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2022-09-30   
551-866 9 Cliffside NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2022-06-05   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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