Area Code 351

Area Code 351
Post Office City: Groton, MA
County: Middlesex County County
Timezone: America/New_York
Coordinates: -71.57, 42.6
Area Code: 351

What is the Area Code?

In the United States, the "Area Code" is a numerical prefix used in phone numbers to identify a specific geographic region within the country. These area codes are part of the telephone numbering system and are essential for the proper routing of calls.

The area code typically consists of three digits and precedes the local phone number. For example, in the phone number (212) 555-1234, "212" is the area code that corresponds to a part of New York City.

Functions of the Area Code:

Geographic Identification: Allows the determination of the region or city from which a call originates. Call Routing: Helps telephone service providers direct calls efficiently through their network. Number Distribution: Facilitates the assignment and organization of phone numbers to avoid conflicts and duplications. Billing: Sometimes, call costs can vary depending on the area code, especially for long-distance calls. In summary, area codes are fundamental to the functioning of the telephone system in the United States, ensuring that calls are connected correctly and managed in an orderly manner.

351

Cities and counties within 351 Area Code

Here are the cities and towns for Area Code 351 that the US Post Office accepts. The city listed as the main city is usually where the main post office is located. When sending a letter or package, always include your preferred city to ensure your delivery is as successful as possible

Primary CityAceptable CitiesStateCountyZIPArea codesTimezone
Groton--Massachusetts(MA)Middlesex County01470351America/New_York
Groton--Massachusetts(MA)Middlesex County01471351America/New_York
Andover--Massachusetts(MA)Essex County01812351America/New_York
Billerica--Massachusetts(MA)Middlesex County01822351America/New_York
Lawrence--Massachusetts(MA)Essex County01842351America/New_York
Lowell--Massachusetts(MA)Middlesex County01853351America/New_York
North Reading--Massachusetts(MA)Middlesex County01889351America/New_York
Andover--Massachusetts(MA)Essex County01899351America/New_York
Danvers--Massachusetts(MA)Essex County01923978, 617, 351America/New_York
Gloucester--Massachusetts(MA)Essex County01931351America/New_York
Salem--Massachusetts(MA)Essex County01971351America/New_York
Andover--Massachusetts(MA)Essex County05501351America/New_York
Andover--Massachusetts(MA)Essex County05544351America/New_York