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203 area code

203 area code phone numbers

Browse current phone-number listings in area code 203, associated with Branford, Bridgeport, Cheshire, Danbury, Darien. Compare memorable patterns and listed pricing. 152 203 numbers are currently available from $99 to $699 (median $299), including 40 vanity-word and 21 repeating-digit numbers.

  • Area code 203 is associated with Connecticut
  • Time zone: Eastern Time
  • Cities describe numbering-plan coverage, not an Exclusive Digits office
  • Delivered by email after payment with the account number and transfer PIN the carrier asks for
  • Portable to Verizon, AT&T, T-Mobile and all major US carriers
BranfordBridgeportCheshireDanburyDarienDerbyFairfieldGreenwich

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  • 152 203 numbers in stock
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Area-code profile

About the 203 area code

Location
Fairfield County, CT and New Haven County, CT
Time zone
Eastern Time
History
In service since 1947, one of the original North American area codes
Overlays
475 serves the same area as 203
Dialing
Local calls are dialed with 10 digits (1 + 10 digits also works)
Prefixes
800 exchange prefixes in use, held by 24 carriers
Map of the 203 area codeShaded area shows where 203 numbers are rated, with neighboring area codes outlined around it.860201914845631North HavenStamfordBridgeportNorwalkDanburyWaterburyDerbyTrumbull
Approximate 203 coverage from U.S. Census ZIP code areas and NANPA rate centers.

Cities and communities in 203

North Haven, Stamford, Bridgeport, Norwalk, Danbury, Waterbury, Greenwich, Derby, Meriden, Huntington, Fairfield, Darien, Westport, Milford, Trumbull, Wallingford

ZIP codes in the 203 area code

87 ZIP code areas. Area codes follow telephone exchange boundaries rather than ZIP code lines, so ZIP codes near the edge can also be served by a neighboring area code.

Fairfield County, CT (46)

06468, 06470, 06482, 06484, 06604, 06605, 06606, 06607, 06608, 06610, 06611, 06612, 06614, 06615, 06784, 06801, 06804, 06807, 06810, 06811, 06812, 06820, 06824, 06825, 06830, 06831, 06840, 06850, 06851, 06853, 06854, 06855, 06870, 06877, 06878, 06880, 06883, 06890, 06896, 06897, 06901, 06902, 06903, 06905, 06906, 06907

New Haven County, CT (41)

06401, 06403, 06405, 06410, 06418, 06437, 06443, 06450, 06451, 06460, 06461, 06471, 06472, 06473, 06477, 06478, 06483, 06488, 06492, 06510, 06511, 06512, 06513, 06514, 06515, 06516, 06517, 06518, 06519, 06524, 06525, 06702, 06704, 06705, 06706, 06708, 06710, 06712, 06716, 06762, 06770

Area codes that share 203’s area

475

Neighboring area codes

718860201914845631212516

Explore related numbers

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Vanity phone numbersBrowse numbers that spell usable words.Repeating numbersCompare recognizable rhythms and repeated digits.Round thousandsFind clean endings such as 3000 and 7000.All number patternsEvery recognizable digit pattern we categorize.Numbers by area codeStart with a local market or recognizable code.Numbers by stateBrowse every area code associated with a state.Numbers by industryExplore words and formats suited to a business type.Inventory insightsSee aggregate catalog depth and pricing statistics.212 market reportUse citable 212 catalog counts, price bands, and monthly archives.Buying guidesHow buying, transferring, and choosing a number works.Number toolsCheck patterns and convert vanity words before you buy.