ZIP Code 01111 - Mass-mutual-life-ins-co, MASSACHUSETTS
Detailed information about ZIP code 01111 located in Mass-mutual-life-ins-co, Massachusetts. This postal code covers unique areas with a population of an undefined number of residents.
About 01111 ZIP Code Area
The ZIP code 01111 is part of the USPS (United States Postal Service) system serving the Mass-mutual-life-ins-co area. This code ensures efficient mail delivery and geographic organization within Massachusetts.
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ZIP Code 01111 - Mass-mutual-life-ins-co, MASSACHUSETTS
Detailed information about ZIP code 01111 located in Mass-mutual-life-ins-co, Massachusetts. This postal code covers unique areas with a population of an undefined number of residents.
About 01111 ZIP Code Area
The ZIP code 01111 is part of the USPS (United States Postal Service) system serving the Mass-mutual-life-ins-co area. This code ensures efficient mail delivery and geographic organization within Massachusetts.
| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Springfield, MA | PRIMARY | 01111 | UNIQUE | indefined |
| City | Name | Zip Code | Type |
|---|---|---|---|
| Springfield, MA | PRIMARY | 01111 | UNIQUE |
Definitions of Status
- PRIMARY: Refers to the main name of the city, typically its official designation. Although the city might have an ACCEPTABLE alternative name, the primary name remains the official one.
- ACCEPTABLE: Indicates a suitable alternative city name. Commonly abbreviated city names are often listed as unacceptable because abbreviations are not considered an acceptable city name format.
- IMPROPER/NOT ACCEPTABLE: Denotes that an inappropriate city name was entered or received based on the provided information.
- UNIQUE: Assigned to a business, government agency, or entity with a significant mail volume. This designation depends on the average daily volume of letter-sized mail received, the availability of ZIP code numbers in the postal area, and a cost-benefit analysis by the postal service.