You are reviewing the Area Code (NPA/NXX) report for 203-421. Did you mean to search the SMS short code 203421?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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203-421-0XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-1XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-2XXX | 318J | COMCAST IP PHONE, LLC | MADISON | AS | 08/04/2014 | MADISON | CT | NE | 08/28/2014 |
203-421-3XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-4XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-5XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-6XXX | 318J | COMCAST IP PHONE, LLC | MADISON | AS | 09/03/2010 | MADISON | CT | NE | 09/16/2010 |
203-421-7XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-8XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-9XXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | RT | | MADISON | CT | NE | |
203-421-XXXX | 9147 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON | AS | | MADISON | CT | | |
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