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ZipNumbers

Area codes, time zones and FIPS codes

The identifiers you actually need when filling in a form or wiring up a dataset: dialling codes, the IANA time zone, and the county FIPS code.

Quick answer

206 distinct telephone area codes serve the 94 metros covered here. Each city page lists every code whose exchange centroid falls within 25 miles of the city centre, plus its time zone and county FIPS code.

Reference table

Alphabetical by city.

CityArea codesTime zoneCounty FIPS
Albuquerque, NM505MST35001
Anaheim, CA213, 310, 323, 424, 510, 562, 626, 657, 714, 909, 949, 951PST06059
Anchorage, AK907AKST02020
Arlington, TX214, 469, 682, 817, 972CST48439
Atlanta, GA404, 678, 770EST13121
Aurora, CO303, 720MST08005
Austin, TX512, 737CST48453
Bakersfield, CA661PST06029
Baltimore, MD240, 301, 410, 443, 667EST24510
Baton Rouge, LA225CST22033
Billings, MT406MST30111
Birmingham, AL205CST01073
Boise, ID208MST16001
Boston, MA339, 351, 508, 617, 774, 781, 857, 978EST25025
Bridgeport, CT203, 631EST09120
Burlington, VT802EST50007
Chandler, AZ480, 602, 623MST04013
Charleston, SC843, 854EST45019
Charleston, WV304, 681EST54039
Charlotte, NC704, 803, 980EST37119
Chattanooga, TN423CST47065
Cheyenne, WY307MST56021
Chicago, IL219, 224, 331, 630, 708, 847CST17031
Cincinnati, OH513, 859EST39061
Cleveland, OH216, 234, 330, 440EST39035
Colorado Springs, CO719MST08041
Columbus, OH220, 614, 740EST39049
Dallas, TX214, 469, 682, 817, 940, 972CST48113
Denver, CO303, 720MST08031
Des Moines, IA515CST19153
Detroit, MI231, 248, 313, 517, 586, 734, 947EST26163
El Paso, TX915CST48141
Fargo, ND218, 701CST38017
Fort Worth, TX214, 469, 682, 817, 972CST48439
Fresno, CA559PST06019
Greensboro, NC336, 743EST37081
Hartford, CT203, 413, 860, 959EST09110
Henderson, NV702, 725PST32003
Honolulu, HI808HST15003
Houston, TX281, 346, 713, 832CST48201
Indianapolis, IN317EST18097
Jackson, MS601, 769CST28049
Jacksonville, FL904EST12031
Jersey City, NJ201, 212, 347, 516, 551, 646, 718, 732, 848, 862, 908, 914, 917, 929, 973EST34017
Juneau, AK907AKST02110
Kansas City, MO816, 913CST29095
Knoxville, TN865CST47093
Las Vegas, NV702, 725PST32003
Little Rock, AR501CST05119
Long Beach, CA213, 310, 323, 424, 562, 626, 657, 714, 949PST06037
Los Angeles, CA213, 310, 323, 424, 562, 626, 657, 714, 747, 818PST06037
Louisville, KY502, 812, 930EST21111
Manchester, NH351, 603, 978EST33011
Memphis, TN662, 870, 901CST47157
Mesa, AZ480, 602, 623MST04013
Miami, FL305, 321, 407, 561, 754, 786, 954EST12086
Milwaukee, WI262, 414CST55079
Minneapolis, MN218, 612, 651, 763, 952CST27053
Nashville, TN615, 629CST47037
New Orleans, LA504, 985CST22071
New York City, NY201, 212, 347, 516, 551, 646, 718, 732, 848, 862, 908, 914, 917, 929, 973EST36061
Newark, NJ201, 212, 347, 516, 551, 646, 718, 732, 848, 862, 908, 914, 917, 929, 973EST34013
Oakland, CA415, 510, 628, 650, 707, 916, 925PST06001
Oklahoma City, OK405CST40109
Omaha, NE402, 531, 712CST31055
Orlando, FL321EST12095
Philadelphia, PA215, 267, 302, 484, 609, 610, 856EST42101
Phoenix, AZ480, 602, 623MST04013
Pittsburgh, PA412, 724, 878EST42003
Portland, OR360, 458, 503, 541, 971PST41051
Portland, ME207EST23005
Providence, RI401, 508, 774EST44007
Raleigh, NC919, 984EST37183
Reno, NV775PST32031
Richmond, VA276, 804EST51760
Riverside, CA510, 909, 951PST06065
Sacramento, CA530, 916PST06067
Salt Lake City, UT385, 801MST49035
San Antonio, TX210CST48029
San Diego, CA442, 619, 760, 858PST06073
San Francisco, CA415, 510, 628, 650, 707, 916, 925PST06075
San Jose, CA408, 510, 650, 669, 916, 925PST06085
Seattle, WA206, 253, 360, 425PST53033
Sioux Falls, SD605CST46099
Spokane, WA425, 509PST53063
St. Paul, MN218, 612, 651, 763, 952CST27123
St. Petersburg, FL727, 813, 941EST12103
Tampa, FL727, 813EST12057
Toledo, OH419, 567, 734EST39095
Tucson, AZ520MST04019
Tulsa, OK539, 918CST40143
Virginia Beach, VA757EST51810
Wichita, KS316CST20173
Wilmington, DE302, 484, 610EST10003

Source: NANPA area-code assignments and US Census Bureau geography files