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Phone numbers, along with owner names and location information, found in U.S. open datasets:
Prefix 603-570 is operated by TELEPORT COMMUNICATIONS AMERICA, LLC - NH. Its rate center is PORTSMOUTH.
Company | TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
Rate Center | PORTSMOUTH |
Other prefixes with the same PORTSMOUTH rate center and operated by TELEPORT COMMUNICATIONS AMERICA, LLC - NH: