The location Waltham, MA has 5 differents ZIP Codes. Check the map below to check your ZIP Code.
City Name
ZIP Code
ZIP Type
Estimated Population
Waltham, MA
PRIMARY
02451
STANDARD
14.526
Waltham, MA
PRIMARY
02452
STANDARD
9.731
Waltham, MA
PRIMARY
02453
STANDARD
20.076
Waltham, MA
PRIMARY
02454
PO BOX
473
Waltham, MA
IMPROPER
02455
PO BOX
0
Postal Zone of Waltham, MA - USA
load map ZIP Code Tabulation Areas (ZCTAs) for Waltham, MA ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.
Waltham, MA belongs to which county?
Waltham, MA belongs to Middlesex county. Check the list of Middlesex county ZIP Code.
ZIP Code Massachusetts
Check the list of Massachusetts ZIP Code.
ZIP Code United States
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Status Definitions
PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
IMPROPER/NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.