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Phone numbers, along with owner names and location information, found in U.S. open datasets:
View all (203) 421-XXXX phone numbers in Madison, CT.
Prefix 203-421 is operated by SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT. Its rate center is MADISON.
| Company | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
| Rate Center | MADISON |
Other prefixes with the same MADISON rate center and operated by SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT: