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PHONE NUMBER PREFIXES IN THE 603 AREA CODE

Thousand digits 603-257 Area Code & Prefix

(603) 257-0xxx
(603) 257-1xxx
(603) 257-2xxx
(603) 257-3xxx
(603) 257-4xxx
(603) 257-5xxx
(603) 257-6xxx
(603) 257-7xxx
(603) 257-8xxx
(603) 257-9xxx