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Area Code Info / New Hampshire / 603
603
New Hampshire ManchesterGeographic

Area Code 603

Manchester, New Hampshire

Browse Numbers in This Area Code
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📞
351
Available Numbers
🏙️
10
Cities Covered
🕐
New York
Timezone
📋
10-digit
Dialing Rules
Coverage Area

603 Cities and regions covered

New Hampshire · NH

Major Cities

Manchester Nashua Concord Dover Rochester Keene Laconia Portsmouth Lebanon Claremont
In Service 1947-01-01
Status Active
Area Code History

603

603区号于1947年投入使用，覆盖整个新罕布什尔州，是该州唯一的区号。

Dialing Rules

603

10-digit

When dialing 603 area code numbers, follow these rules:

  • Local calls require full 10-digit dialing (area code + 7-digit number)
  • Long-distance calls require 1 + area code + 7-digit number
Why 603 is Valuable for Business

603 · Manchester

The 603 area code covers Manchester and surrounding areas, making it one of the most commercially valuable area codes in New Hampshire. Owning a premium 603 number enhances your business image and customer trust.

Premium Numbers

603 Premium numbers in this area code

(603) 037-9929
North Mitchelmouth, NY
$31.77
View Details
(603) 919-1888
XYYY
Manchester, NH
$365.00
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(603) 633-5888
XYYY
Manchester, NH
$365.00
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(603) 948-4888
XYYY
Manchester, NH
$597.00
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(603) 309-9888
XYYY
Manchester, NH
$456.00
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(603) 207-0888
XYYY
Manchester, NH
$454.00
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(603) 200-1888
XYYY
Manchester, NH
$599.00
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(603) 956-3888
XYYY
Manchester, NH
$345.00
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(603) 338-6888
XYYY
Manchester, NH
$595.00
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(603) 377-4888
XYYY
Manchester, NH
$365.00
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(603) 713-9888
XYYY
Manchester, NH
$345.00
View Details
(603) 458-0888
XYYY
Manchester, NH
$385.00
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(603) 945-5888
XYYY
Manchester, NH
$448.00
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(603) 633-1688
Manchester, NH
$249.00
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(603) 651-0488
Manchester, NH
$249.00
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(603) 719-7088
Manchester, NH
$249.00
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(603) 802-7988
Manchester, NH
$249.00
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(603) 195-0032
Lake Soledadport, MN
$448.64
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(603) 031-4833
Port Elza, WA
$407.52
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(603) 693-3540
Heathcoteshire, DE
$472.00
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(603) 928-6226
Wiltonside, TX
$312.91
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(603) 311-2917
Lebsackfurt, NY
$376.12
View Details
(603) 266-6666
XXXXXX
Manchester, NH
$3,850.00
View Details
(603) 736-7000
千位号-23%
Manchester, NH
$995.94 $1,299.99
View Details
View All 603 Numbers
FAQ

603 FAQ

What state is the 603 area code in?
The 603 area code is in New Hampshire (NH), primarily covering Manchester and surrounding areas.
How do I get a premium 603 area code number?
You can search and buy premium 603 numbers on GreatNumber. We offer one-time payment with lifetime ownership — no monthly fees or hidden charges. We provide full porting assistance after purchase.
Can I port a 603 number to another carrier?
Yes, all numbers purchased on GreatNumber can be ported to any carrier of your choice (T-Mobile, AT&T, Verizon, etc.). Porting typically takes 3-14 business days, and we provide full bilingual support.

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Browse by Number Pattern

Discover patterned numbers in the 603 area code.

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