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Area Code Lookup

Area Code 603 Phone Lookup

New Hampshire, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

691prefix records
58lookup pages
603area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Landline

(603) 371

CityNashua
CountyHillsborough
CarrierConversent Communications Of New Hampshire Llc
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Landline

(603) 372

CityPortsmouth
CountyRockingham
CarrierFreedom Ring Communications Llc
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Landline

(603) 373

CityNashua
CountyHillsborough
CarrierConversent Communications Of New Hampshire Llc
View Prefix
Landline

(603) 374

CityBartlett
CountyCarroll
CarrierNo New England Tel Op Dba Fairpoint Comm - Nh
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Landline

(603) 375

CityManchester
CountyHillsborough
CarrierTime Warner Cable Information Svcs (new Hampshire)
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Landline

(603) 376

CityDover
CountyStrafford
CarrierNo New England Tel Op Dba Fairpoint Comm - Nh
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Wireless

(603) 377

CityManchester
CountyHillsborough
CarrierOmnipoint Miami E License Llc
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Landline

(603) 378

CityPlaistow
CountyRockingham
CarrierNo New England Tel Op Dba Fairpoint Comm - Nh
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Landline

(603) 379

CityManchester
CountyHillsborough
CarrierBrooks Fiber Communications Of New Hampshire - Nh
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Wireless

(603) 380

CityDerry
CountyRockingham
CarrierNew Cingular Wireless Pcs Llc - Dc
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Wireless

(603) 381

CityMerrimack
CountyHillsborough
CarrierUnited States Cellular Corp. - New Hampshire
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