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.

Williamstown, NJ

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
856-237 A CMDNNJ32FMD  7310 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
856-237 0 CMDNNJ32FMD  7310 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
856-237 1 CMDNNJCEXHX  3079 US LEC OF PENNSYLVANIA, INC. - NJ 222      
856-237 2 CMDNNJCEX1Z  939H COMMIO, LLC 222      
856-237 3 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-237 4 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-237 5 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-237 6 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-237 7 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-237 8 CMDNNJ32FMD  7310 TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 222      
856-237 9 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-259 A LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-259 0 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-259 1 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-259 2 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-259 3 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-259 4 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-259 5 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-259 6   482F CORETEL NEW JERSEY, INC. - NJ 222      
856-259 7 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-259 8   515J IP HORIZON LLC 222      
856-259 9 CMDNNJCE44Z  073H TELNYX LLC 222      
856-262 A WLTWNJ02DS5  9206 VERIZON NEW JERSEY, INC. 222      
856-274 A CMDNNJ211MD  6630 USA MOBILITY WIRELESS, INC. 222      
856-318 A CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-318 0 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-318 1 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-318 2 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-318 3 CMDNNJCEX7Y  3114 CTC COMMUNICATIONS CORP., DBA CT COMM CORP - NJ 222      
856-318 4 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-318 5   515J IP HORIZON LLC 222      
856-318 6 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-318 7 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-318 8 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-318 9 LRSPNJLSFMD  118F BANDWIDTH.COM CLEC, LLC - NJ 222      
856-340 A PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-340 0 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 1 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 2 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 3 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 4 PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-340 5 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 6 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 7 PNVLNJAGH00  4869 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - NJ 222      
856-340 8 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-340 9 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 A CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 0 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 1   145J TERRA NOVA TELECOM INC. 222      
856-341 2 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-341 3 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 4 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 5 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 6 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-341 7 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-341 8 CMDNNJCEX5Z  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      
856-341 9 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-388 A CMDNNJCE57Z  965H FRACTEL, LLC 222      
856-388 0 CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222      
856-388 1 CMDNNJCE43Z  073H TELNYX LLC 222      
856-388 2 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-388 4 CMDNNJCEX5Z  7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      
856-388 5 CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
856-388 6 CMDNNJCE51Z  624H ONVOY SPECTRUM, LLC 222      
856-388 7 CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-388 8 CMDNNJCE57Z  965H FRACTEL, LLC 222      
856-388 9 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-404 A CMDNNJCE1MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 222      
856-404 0 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 1 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 2 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 3 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 4 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 5 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 6 CMDNNJCE1MD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 222      
856-404 7 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 8 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-404 9 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-513 A CMDNNJCEX2X  2680 PAETEC COMMUNICATIONS, INC. - NJ 222      
856-513 0 CMDNNJCEX2X  2680 PAETEC COMMUNICATIONS, INC. - NJ 222      
856-513 1 CMDNNJCEDS8  3639 MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ 222      
856-513 2 PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-513 3 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-513 4 CMDNNJCEXAZ  835E BLOCK LINE SYSTEMS, LLC - NJ 222      
856-513 5 CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222      
856-513 6 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-513 7 CMDNNJCE08Z  508J CENTURYLINK COMMUNICATIONS, LLC 222      
856-513 8 PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-513 9 PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-516 A CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-516 0 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-516 1 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-516 2 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-516 3 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-516 4 CMDNNJCE58Z  318J COMCAST IP PHONE, LLC 222      
856-516 5 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-516 6   7134 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 222      
856-516 7 CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222      
856-516 8 CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222      
856-516 9 CMDNNJCEXFZ  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222      

1 2 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.