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Phone Lookup For Area Code 603

What is the 603 area code?

State New Hampshire
Time Zone Eastern Time

The 603 area code is located in New Hampshire near MANCHESTER-CONCORD ST. According to Intelius data, this area code covers roughly 1,620,818 phone numbers, including 881,093 mobile numbers and 739,725 landline numbers.

Have you received a call from a number with a 603 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.

Read our blog for more information about area codes!

Top geographic areas within (603) area code

  1. Nashua Graham Dr
    NXX Prefix (603) 221-XXXX
    Wire Center (WC) Nashua Graham Dr
    Zone Nashua
    Primary Carrier/Company FairPoint
    Operating Company Numbers (OCN) 5113
    Line Types (LTYPE) Landline
    Country US
    State NH
    County Hillsborough
    Area Code Population 426,594
    Land Area 876.542 square miles
    FIPS Code 33011
    Time Zone Eastern Time
    ZIP Codes 03051, 03052, 03054, 03060
  2. Manchester Concord St
    NXX Prefix (603) 200-XXXX
    Wire Center (WC) Manchester Concord St
    Zone Newmarket
    Primary Carrier/Company Verizon Business
    Operating Company Numbers (OCN) 318J 073H 8299 7778
    Line Types (LTYPE) Landline VoIP
    Country US
    State NH
    County Rockingham
    Area Code Population 319,424
    Land Area 695.386 square miles
    FIPS Code 33015
    Time Zone Eastern Time
    ZIP Codes 03824, 03857, 03861
  3. Portsmouth
    NXX Prefix (603) 210-XXXX
    Wire Center (WC) Portsmouth
    Zone Suncook
    Primary Carrier/Company Verizon Wireless
    Operating Company Numbers (OCN) 6386 9827 318J 8299 996E
    Line Types (LTYPE) Landline VoIP Wireless, PCS, Cellular
    Country US
    State NH
    County Merrimack
    Area Code Population 156,020
    Land Area 932.877 square miles
    FIPS Code 33013
    Time Zone Eastern Time
    ZIP Codes 03275, 03106
  4. Dover Thomas
    NXX Prefix (603) 248-XXXX
    Wire Center (WC) Dover Thomas
    Zone Dover
    Primary Carrier/Company FairPoint
    Operating Company Numbers (OCN) 5113
    Line Types (LTYPE) Landline
    Country US
    State NH
    County Strafford
    Area Code Population 132,275
    Land Area 367.554 square miles
    FIPS Code 33017
    Time Zone Eastern Time
    ZIP Codes 03820, 03821, 03822, 03823

603 Stats

Number of Prefixes
752
Number of Cellphones
881,093
Number of Land Lines
739,725

Area Code (603) Prefixes

Prefix
COUNTY
City
CARRIER
TYPE
County Rockingham
City Manchester Concord St
Carrier Verizon Business
Type Landline
County Merrimack
City Manchester Concord St
Carrier Verizon Wireless
Type Landline
County Hillsborough
City Manchester Concord St
Carrier T-Mobile
Type Wireless, PCS, Cellular
County Hillsborough
City Manchester Concord St
Carrier Windstream
Type VoIP
County Rockingham
City Manchester Concord St
Carrier Windstream
Type VoIP
County Hillsborough
City Manchester Concord St
Carrier Windstream
Type VoIP
County Rockingham
City Manchester Concord St
Carrier TELNYX
Type Landline
County Grafton
City Manchester Concord St
Carrier Windstream
Type VoIP
County Cheshire
City Manchester Concord St
Carrier U.S. Cellular
Type Wireless, PCS, Cellular
County Merrimack
City Portsmouth
Carrier Verizon Wireless
Type Landline