Area Code 508-221 located in NANTUCKET, NANTUCKET, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 221 City : NANTUCKET County : NANTUCKET State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 1994-09-11 FIPS (Federal Information Processing Standards) : 25019 LATA (Local Access Transport Area) : 128 Rate Center : NANTUCKET ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 02554 Other Information NPANXX : 508221 Switch CLLI (Common Language Location Identifier) : WRXBMAWACM3 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA OCN (Operating Company Number) : 6387 Coverage Area Name : NANTUCKET Latitude : 41.2826 Longitude : -70.0973 ‹ previous : 508-221 next › : 508-222 Telephone Number List 508-221-0000 ~ 508-221-9999