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603-312-####
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Prefix 603-312 Information
Company
BELL ATLANTIC NYNEX MOBILE
Rate Center
DOVER
Other prefix codes with DOVER rate center:
Prefix 603-285
Prefix 603-248
Prefix 603-343
Prefix 603-376
Prefix 603-516
Prefix 603-534
Prefix 603-605
Prefix 603-609
Prefix 603-617
Prefix 603-740
Prefix 603-742
Prefix 603-743