Area Code 508-401 located in WAYLAND, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 401 City : WAYLAND County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : WAYLAND ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01778 Other Information NPANXX : 508401 Switch CLLI (Common Language Location Identifier) : CMBRMAMQDS0 MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : XO MASSACHUSETTS, INC. OCN (Operating Company Number) : 4536 Coverage Area Name : WAYLAND Latitude : 42.3626 Longitude : -71.3638 ‹ previous : 508-400 next › : 508-402 Telephone Number List 508-401-0000 ~ 508-401-9999