Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-255 A Riverside NJ CMDNNJ32FMD  7310 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
856-255 0 Riverside NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-03-08   
856-255 1 Riverside NJ CMDNNJCEXHX  3079 US LEC OF PENNSYLVANIA, INC. - NJ 222   2007-04-25   
856-255 2 Riverside NJ CMDNNJCE18Z  7142 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222   2003-06-09   
856-255 3 Riverside NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-31   
856-255 4 Riverside NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-31   
856-255 5 Riverside NJ CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222   2005-05-20   
856-255 6 Riverside NJ   482F CORETEL NEW JERSEY, INC. - NJ 222   2019-05-31   
856-255 7 Riverside NJ CMDNNJCE51Z  624H ONVOY SPECTRUM, LLC 222   2021-05-02   
856-255 8 Riverside NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222   2007-11-15   
856-255 9 Riverside NJ CMDNNJ32FMD  7310 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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