603 Area Code
603 Area Code – Get Local Phone Number For Manchester, New Hampshire
Due to location restrictions, your business is not seen in Manchester. Obtain a 603 area code to instantly connect with the market in Manchester and nearby regions. KrispCall’s technology boosts your visibility, builds trust, and makes customer engagement easy.
9000+ companies worldwide trust and cherish our service
Where is 603 area code?
Area code 603 is located in the entire state of New Hampshire, USA. It covers 10 counties, including Hillsborough, Rockingham, Merrimack, Strafford, Grafton, Cheshire, and Belknap, and covers major cities like Manchester, Nashua, Concord, Dover, Rochester, and Derry.
The area code 603 follows the Eastern time zone also known as America/ New York. Area code 603 was started in 1947 as one of the first 86 area code. It covered all of New Hampshire back then and still does today it’s the only area code in the state. With the population of 1.34 million area code 603 is densely populated area in New Hampshire state. Manchester is the largest city in the area code with the population of 109,565.
Some nearby area codes of 603 are 802 (Vermont), 207 (Portland, ME), 413 (Springfield, MA), and 351/978 (Lowell, MA)
| Country | USA |
| State | New Hampshire |
| Major City | Manchester |
| Time Zone | Eastern Time Zone |
| Telephone Number Format | +1 (603) XXX-XXXX |
| 603 Area Code Phone Number Example | +1-603-652-0213 |
How does 603 business phone number work?
The 603 business phone number operates like any other phone number. It is assigned within the North American Numbering Plan. To make a call, the caller must dial a 10-digit number, including the area code.
For Example, to call 696-5364, you would dial +1-603-696-5354, where 1 is the country code of the USA. The 603 is the area code that routes calls to the specific region, and 696 is a central code or exchange code that forwards calls to the specific service provider. The final 5364 is a subscriber number that identifies a business or individual dialed.
With every KrispCall plan, you can get an extra local number with a 603 area code. These phone numbers include advanced features such as IVR, text messages (SMS), Call forwarding and more at an enterprise level.
KrispCall’s basic plan starts at $15/user/month, making it affordable for businesses of any size.
Who’s doing business in the 603 area code?
Numerous businesses operate here, whether you’re looking to build a loyal customer base or establish supplier connections.
In 603 area code, you will find major companies such as Timberland, C&S Wholesale Grocers, Southern New Hampshire University, Dartmouth-Hitchcock, Freudenberg North America Limited Partnership, Dartmouth, and Apogent Technologies.
Unemployment rates are a challenge for businesses seeking to hire talent and expand into new areas. Despite these challenges, the number of new businesses in area code 603 is high.
Some prominent sectors in area code 603 include:
- Educational institutions: Southern New Hampshire University, Manchester Community College.
- Healthcare services: Concord Hospital., Exeter Hospital
- Technology: VTC Tech – New Hampshire Managed IT, TechNH, Inc.
- Manufacturing and Legal services: Merrimack Manufacturing LLC, New Hampshire Legal Assistance.
- Banks and Finances: CBank of New Hampshire, Union Bank.
How to get an 603 phone number?
Getting a 603 area code phone number is easy with KrispCall. To get the 603 area code, sign up for the account, select USA, select a number with the 603 area code, make payment, and start making and receiving calls and texts once the number activates.
- Create a KrispCall account and log in to your dashboard.
- Go to Settings, click on My Numbers, and hit the + Add New Number.
- Select the United States of America (USA) in the Select Country field.
- Choose New Hampshire or click on the Advanced Filter, enter “603” in the Number box, select the first part of the Number in the Match to section, and click Search Numbers.
- Pick a phone number, click Buy Number, and confirm your purchase.
What are the benefits of using KrispCall’s 603 phone number for your business?
Create a local presence in Manchester, New Hampshire
Give your business more professional and scam-free looks
Separate work and personal number
Powerful standard PBX features
No additional tools needed
Increase your approval rate and enhance your sales.
Enjoy powerful VoIP features with local phone numbers
Shared Number
Boost customer response by sharing your number with your team members and eliminating missed calls.
Unified Callbox
Get every detail of calls, SMS, MMS, and voicemails in a single window and access all conversations without switching apps.
Power Dialer
Manage a large volume of outbound calls by automating call dialing and improving agent efficiency & sales performance.
Auto Reply for Missed Call
Enhance caller experience by sending replies for their missed calls. Prompt them on how to reach your business even when you're unavailable.
Voicemail Greeting
Record customized, professional, and creative voicemail greetings to greet callers with automated voice messages.
Simultaneous Ringing
Use simultaneous ringing to ring multiple agents at once and ensure swift call answering & consistent customer interactions.
Bulk SMS
Convey a message to a large audience in one go. Reach your audience with important announcements instantly and efficiently.
Call Recording
Record phone calls to document the details shared in past conversations and deliver exactly what clients want.
Live Call Monitoring
Monitor live calls to ensure quality standards and gain real-time insights that drive performance and customer satisfaction.
Get an 603 phone number at an affordable cost
Obtain a cloud-based communication platform with a local area code number with KrispCall, it offers three affordable pricing plans:
Essential |
Standard |
Enterprise |
|
|---|---|---|---|
|
Price |
$15 Per user per month | $40 Per user per month | Custom |
|
Users Limit |
5 | Unlimited | Unlimited |
|
Virtual number |
Includes 1 local virtual phone number per user | Includes 1 local virtual phone number per user | Includes 1 local virtual phone number per user |
|
Additional US numbers |
-Local number ($4) -Toll-free number ($5) |
-Local number ($4) -Toll-free number ($5) |
-Local number ($4) -Toll-free number ($5) |
|
Bundle Calling and SMS rate |
Pay per Minute Calling | Pay per Minute Calling | Pay per Minute Calling |
|
Messaging (US) |
Pay per Segment | Pay per Segment | Pay per Segment |
|
Number Porting |
![]() |
![]() |
![]() |
|
Call Forwarding |
![]() |
![]() |
![]() |
|
Global Phone Numbers |
![]() |
![]() |
![]() |
Proud to be Recognized as VoIP Leader & Regional Leader in ANZ, EMEA, Europe, and Asia Pacific by G2
J C.
HR Officer
“I love how easy KrispCall is to use, and the helpful support makes it easy for me to manage multiple numbers and stay connected globally.”
Mike B.
Co-Founder and Business Dev...
“KrispCall won us over with lightning-fast support, effortless access to numbers and SMS, and pricing that makes sense for small businesses.”
Tkachenko E.
Software Developer
“KrispCall lets me manage all my calls, texts, and voicemails from one place, helping me stay organized and present a professional image wherever I work.”
Amanda C.
CEO
“KrispCall’s quick, respectful customer support helped me find the perfect solution for global calls and a customer service number!”
Nagendra V.
Digital Marketing Specialist
“KrispCall makes global calling effortless with all the tools I need in one place—perfect for connecting with clients worldwide & my digital marketing needs!”
James S.
Software Engineer
“KrispCall’s easy setup and intuitive interface keep my team’s communication organized, while its AI-powered platform has streamlined global calls and customer interactions.”
Taha Ryuko S.
Founder & CEO
“We received a prompt response right after reaching out, and KrispCall helped resolve my virtual identity issue.”
Colin L.
Server
“We use KrispCall for a Hong Kong number to receive OTPs—the service is reliable, support is excellent, and the daily usage emails keep us in the loop.”
Lucas W.
Product Manager
"KrispCall’s authentic, professional service and exceptional customer understanding make staying connected with clients effortless—I’m very happy with it!"
Pushkar Verma
Director
“The setup process was very easy, with chat support available during our business hours. We needed a UK number with WhatsApp setup, and this solution met our needs at a reasonable price.”
Turan B.
Researcher
“KrispCall helped me get a virtual number that makes international calling smooth and easy.”
Sandeep M.
Real Estate Specialist
“KrispCall helped me get a UK number and set up WhatsApp and Telegram effortlessly for my real estate client calls from Dubai.”
Teddy M.
Finance Professional - Busin...
“Super quick setup and amazing support, KrispCall made it easy for our customers to reach us!”
Hunter F.
Business Analyst
"KrispCall’s amazing VoIP features and seamless number porting have been essential for managing my international business calls and remote team—highly recommended!"
Matthew Jones (JP, AFIML)
Associate Fellow
“Been using KrispCall for a while now and the service is great and the customer support is so responsive”
Nearby Area Codes
Frequently Asked Questions
Area code 603 is a telephone area code serving entire state of New Hampshire in USA. It covers the major cities including Manchester, Nashua, Concord, and Dover.
The 603 Area Code is located in New Hampshire State, USA. It serves 10 counties: Hillsborough, Rockingham, Merrimack, Strafford, and Grafton, among others. Some major cities of its service include Manchester, Concord, and Keene.
All the cities and communities of the US state of New Hampshire have the 603 Area Code. It has been serving these cities since 1947.
The time zone of the 603 Area Code is Eastern Timezone & follows Eastern Standard Time & Eastern Daylight Time (Eastern Daylight Saving Time).
The 603 Area Code phone number supports text messages depending on the features provided by the service provider. With KrispCall, 603 Area Codes support local calling, text messages, custom greetings, global call forwardings, international calling, call recording, and multimedia messages.
The zip code for the 603 area code ranges from 03031 – 03897. Amherst (Hillsborough County) has the lowest code, 03031, and Wonalancet (Carroll County) has the highest code, 03897, as Zip codes.
If you have a 603 area code phone number, remember anyone can make calls from it. Whether it’s a real business or a potential scam, it’s wise to verify. Check online and use tools like code lookup, caller ID, and reverse phone lookup to learn more about the caller.
Yes, you can port your current 603 number to KrispCall easily. Plus, there are no porting fees.
Obtain the Virtual 603 Phone Number now
Easily obtain an 603 phone number from KrispCall for personal and business use.
KrispCall for Multiple Platforms
Stay connected no matter where you are. KrispCall is your constant companion, available on iOS, Android, as a WebApp, and Google Chrome Extension.
