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331 area code

331 area code phone numbers

Browse current phone-number listings in area code 331, associated with Aurora, Bartlett, Batavia, Bensenville, Big Rock. Compare memorable patterns and listed pricing. 83,058 331 numbers are currently available from $49 to $299 (median $49), including 11,182 vanity-word and 6,778 lucky-number numbers.

  • Area code 331 is associated with Illinois
  • Time zone: Central 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
AuroraBartlettBataviaBensenvilleBig RockDowners GroveElburnElmhurst

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  • 83,058 331 numbers in stock
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Area-code profile

About the 331 area code

Location
DuPage County, IL, Kane County, IL, Kendall County, IL, and Cook County, IL
Time zone
Central Time
History
Added in October 2007 as an overlay of 630
Overlays
630 serves the same area as 331
Dialing
Local calls are dialed with 1 + 10 digits
Prefixes
239 exchange prefixes in use, held by 27 carriers
Map of the 331 area codeShaded area shows where 331 numbers are rated, with neighboring area codes outlined around it.219815847708312HinsdaleAuroraBensenvilleGenevaElmhurstLemontBartlettBatavia
Approximate 331 coverage from U.S. Census ZIP code areas and NANPA rate centers.

Cities and communities in 331

Hinsdale, Naperville, Aurora, Downers Grove, Bensenville, Geneva, Elmhurst, Lombard, Wheaton, Lemont, Bartlett, West Chicago, Sugar Grove, Glen Ellyn, Batavia, Oswego

ZIP codes in the 331 area code

61 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.

DuPage County, IL (33)

60101, 60103, 60106, 60126, 60133, 60137, 60139, 60148, 60181, 60184, 60185, 60187, 60188, 60189, 60190, 60191, 60502, 60504, 60514, 60515, 60516, 60517, 60519, 60521, 60523, 60527, 60532, 60540, 60555, 60559, 60561, 60563, 60565

Kane County, IL (22)

60109, 60110, 60118, 60119, 60123, 60124, 60134, 60136, 60140, 60144, 60151, 60174, 60175, 60177, 60183, 60505, 60506, 60510, 60511, 60539, 60542, 60554

Kendall County, IL (5)

60512, 60538, 60543, 60545, 60560

Cook County, IL (1)

60439

Area codes that share 331’s area

Neighboring area codes