What ZIP codes does Massachusetts use for mail and package delivery?

Massachusetts (MA) operates within the 5-digit ZIP prefix range 010xx–027xx, covering numeric postal codes from 01001 – 02791. Mail routed to state capital Boston and key regional centers such as Boston, Worcester, Springfield adheres to these official USPS boundaries.

Which telephone area codes are valid for Massachusetts?

Massachusetts is served by 9 active North American Numbering Plan (NANPA) area codes: 339, 351, 413, 508, 617, 774, 781, 857, 978. Synthetic telephone numbers generated for Massachusetts reflect these verified regional area code assignments across state jurisdictions.

How many counties are in Massachusetts?

Massachusetts is divided into 14 counties, including major administrative regions such as Middlesex, Worcester, Essex, Suffolk. Generated street addresses reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.

What postal formatting conventions and addressing quirks are unique to Massachusetts?

Leading zero in all ZIP codes (010xx–027xx, with Boston at 021xx), exposing CSV and database import pipelines to zero-drop corruption (e.g., 02138 becoming 2138). Historic colonial town meeting governance where municipal town borders define public services rather than abolished county governments. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.

Are the Massachusetts addresses generated on this page real places?

No. All street numbers, recipient names, and telephone numbers generated for Massachusetts are entirely synthetic and randomized for software testing, database seed scripts, and form validation. While they use authentic Massachusetts ZIP codes (010xx–027xx), real city names (Boston, Worcester), and verified area codes (339, 351), they do not correspond to real individuals or private residences.

Random Massachusetts Address Generator

Massachusetts ZIP codes span the 010xx–027xx range (01001 – 02791) across 14 counties with 9 active telephone area codes (339, 351, 413, 508, etc.).

Generate a realistic, USPS Publication 28-compliant random Massachusetts address with authentic postal routing, real ZIP codes, and local area codes. Featuring verified ZIP prefix coverage across 010xx–027xx, realistic street grids from Boston and Worcester, official area codes (339, 351, 413, 508), and accurate county assignments. Engineered specifically for QA automation, form validation, and software testing.

Official Massachusetts Postal & Geographic Reference Specifications

Geographic & Postal Parameter	Official State Specification	Standardization Reference
Postal State Abbreviation	MA	USPS Publication 28 & ISO 3166-2:US
5-Digit ZIP Prefix Range	010xx–027xx	USPS Sectional Center Facilities (SCFs)
5-Digit ZIP Numeric Span	`01001 – 02791`	Lowest to highest active postal delivery codes
Administrative Jurisdictions	14 Total Counties	US Census Bureau regional boundaries
Active Area Codes (NANPA)	`339, 351, 413, 508, 617, 774, 781, 857, 978` (9 total)	North American Numbering Plan Administrator
Capital & Distribution Centers	Boston (Capital), Boston, Worcester, Springfield	Primary municipal carrier distribution hubs
Primary Time Zone	Eastern Time (America/New_York, UTC-5 / UTC-4 DST)	Regional postal dispatch & timestamp alignment
Authoritative Validation Source	Massachusetts Department of Telecommunications and Cable (DTC) & NANPA	Official state regulatory authority

Massachusetts Postal Geography & Key Cities

State Capital: Boston | Postal Code: MA | Total Counties: 14 Counties | ZIP Prefix Range: 010xx–027xx

Verified Data Authority: Massachusetts Department of Telecommunications and Cable (DTC) & NANPA

Major municipal distribution centers:

Boston
Worcester
Springfield
Cambridge
Lowell
Brockton

Key Counties & Administrative Jurisdictions

County boundaries dictate local sales tax jurisdictions and carrier route groupings across Massachusetts:

Middlesex County
Worcester County
Essex County
Suffolk County
Norfolk County

Real Massachusetts Area Codes (MA)

9 active numbering plan area (NPA) codes serving 14 jurisdictions across Massachusetts.

Active North American Numbering Plan area codes: 339, 351, 413, 508, 617, 774, 781, 857, 978

Postal Delivery Standards & Format Nuances in Massachusetts

Leading zero in all ZIP codes (010xx–027xx, with Boston at 021xx), exposing CSV and database import pipelines to zero-drop corruption (e.g., 02138 becoming 2138).
Historic colonial town meeting governance where municipal town borders define public services rather than abolished county governments.

Standard USPS Publication 28 Test Examples for Massachusetts

Residential Delivery Point:
100 Main St, Apt 4B Boston, MA 02108-1204

Commercial / Multi-Unit Delivery Point:
Massachusetts Logistics & Software Corp 500 Enterprise Way, Suite 300 Worcester, MA 01601-4810

Frequently Asked Questions about Massachusetts Addresses

What ZIP codes does Massachusetts use for mail and package delivery?: Massachusetts (MA) operates within the 5-digit ZIP prefix range 010xx–027xx, covering numeric postal codes from 01001 – 02791. Mail routed to state capital Boston and key regional centers such as Boston, Worcester, Springfield adheres to these official USPS boundaries.
Which telephone area codes are valid for Massachusetts?: Massachusetts is served by 9 active North American Numbering Plan (NANPA) area codes: 339, 351, 413, 508, 617, 774, 781, 857, 978. Synthetic telephone numbers generated for Massachusetts reflect these verified regional area code assignments across state jurisdictions.
How many counties are in Massachusetts?: Massachusetts is divided into 14 counties, including major administrative regions such as Middlesex, Worcester, Essex, Suffolk. Generated street addresses reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.
What postal formatting conventions and addressing quirks are unique to Massachusetts?: Leading zero in all ZIP codes (010xx–027xx, with Boston at 021xx), exposing CSV and database import pipelines to zero-drop corruption (e.g., 02138 becoming 2138). Historic colonial town meeting governance where municipal town borders define public services rather than abolished county governments. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.
Are the Massachusetts addresses generated on this page real places?: No. All street numbers, recipient names, and telephone numbers generated for Massachusetts are entirely synthetic and randomized for software testing, database seed scripts, and form validation. While they use authentic Massachusetts ZIP codes (010xx–027xx), real city names (Boston, Worcester), and verified area codes (339, 351), they do not correspond to real individuals or private residences.

Nearby & Bordering States

Explore test address generators for states sharing a geographic border with MA:

Massachusetts ZIP Prefixes and Sectional Center Facilities

Mail addressed to Massachusetts is sorted through the processing facilities below before local delivery. The first three digits of a ZIP code identify which one, so the prefix alone places an address within the state.

ZIP prefix	Sectional Center Facility	County
010xx	Springfield	Hampden County
011xx	Springfield	Hampden County
012xx	Pittsfield	Berkshire County
014xx	Fitchburg	Worcester County
015xx	Shrewsbury	Worcester County
016xx	Worcester	Worcester County
017xx	Framingham	Middlesex County
018xx	Lowell / Woburn	Middlesex County
019xx	Lynn / Salem	Essex County
020xx	Brockton South	Norfolk County
021xx	Boston	Suffolk County
022xx	Boston Central	Suffolk County
023xx	Brockton	Plymouth County
024xx	Newton / Waltham	Middlesex County

These 14 prefixes cover the 010xx–027xx range. Look up any ZIP prefix to see its facility and generate valid ZIP codes inside it.