Get a local business phone number in Westborough, MA

Westborough area codes

Westborough, in Worcester County, Massachusetts, had a Census-estimated population of 22,643 in July 2024. NANPA lists 24 exchanges for its rate center across 2 area codes; 508 has the most (19, 79%). 508 is part of an overlay with 774, so a new local number in Westborough may carry any of those codes depending on which have numbers available. Westborough is in the Eastern time zone.

According to NANPA's dialing-plan data, local calls within 508 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Westborough exchanges by carrier

11 carriers hold the 24 exchanges assigned to Westborough's rate center. Verizon New England INC. has the most, with 8. 17 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Westborough phone prefixes

These are the central office codes NANPA records for Westborough. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

When Westborough's exchanges were assigned

Assignment dates show when each block of Westborough numbers was added to the local supply.

What makes a number local to Westborough

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Westborough's numbers are rated to the WESTBORO rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Westborough number.

New local numbers are drawn from carrier inventory, so the exact 508 numbers available change over time; porting an existing number is free.

Businesses around Westborough

Westborough is part of the Worcester, MA metro area, home to 881,000 people in 2024. County Business Patterns counted 19,181 business establishments in the Worcester, MA metro area in 2023, employing 319,255 people. The largest sectors by establishment count are construction (2,610), health care and social assistance (2,418), and retail trade (2,405).

A Westborough number on Callata

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Westborough, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

The comparison below uses 17 users, the rounded average establishment size in the Worcester, MA metro area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.