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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-330 A Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224      
551-330 0 Cliffside NJ NWRKNJ0293Z  073H TELNYX LLC 224   2021-12-25   
551-330 1 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2022-01-01   
551-330 2 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2022-02-25   
551-330 3 Cliffside NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2021-11-21   
551-330 4 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2022-02-25   
551-330 5 Cliffside NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2021-11-21   
551-330 6 Cliffside NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2022-05-06   
551-330 7 Cliffside NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2022-02-28   
551-330 8 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2021-11-20   
551-330 9 Cliffside NJ WAYNNJAWCMS  6623 OMNIPOINT COMMUNICATIONS, INC. - NJ 224   2021-11-20   

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

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