Numerical listing of us zip codes

No area code splits are currently proposed and both countries have agreed: without exceptional circumstances, all new area codes will be overlays. Today, 7-digit dialing is broken in most major cities. Many areas not served by an overlay can still use 7-digit dialing. Something besides allocating more area codes needed to be done to improve the system. After a few trials, mandatory number pooling was implemented in with a national rollout to the largest metropolitan areas.

With number pooling, an entire prefix of 10, numbers is allocated to a specific area, but phone numbers are only allocated to a specific carrier in 1, block increments. While several US markets are still not required to implement number pooling and Canada has no number pooling, the effects dramatically slowed the need to allocate new prefixes and new area codes because of increased utilization.

The rate of issuing new area codes dropped to nearly half that of the s. While it may seem that all consumers in the US use a mobile phone, more than two-thirds of prefixes are allocated for landline use. That number has been dropping by about 3. Not all area codes are assigned to a specific geographic area. One of the most common are toll-free area codes where the caller is not billed for long distance though wireless customers may have minutes deducted from their plan : , , , , , , and The area code is also currently used for premium services that are billed to the caller at higher than normal long distance rates.

In the s and and early s, numbers were frequently used to target children to run up phone bills, psychic hotlines, adult entertainment, computer help, etc. Legislative protections in the s and the withdrawal of phone companies from passing these fees onto customers has largely killed the number industry.

Other caller-pays area codes include , , , , , , , , and Though they see much less usage now, some are still used for dial-up modem access or security systems. Area codes and are reserved for special telecommunications services and receive little usage. For looking up information on a specific phone number, the free reverse phone lookup allows you to see the name and address of phone numbers listed in the white pages of phone books throughout the US.

For unlisted or cell phone numbers, we provide a convenient price comparison of popular services that allow you to search deeper for the owner of a phone number.

If you are looking for the area code for a particular city, you can search area codes by city using our area code finder. To browse all area codes, we have a list of all United States area codes by state and area codes by number. The area code list includes a printable copy that you can print and use for reference. For international numbers, we also include Canadian area codes. For dialing internationally, see the list of international dialing codes with instructions on how to dial foreign numbers or dial U.

Toggle navigation. Instant Phone Lookup Search Enter a phone number, area code, or city and state. Featured In. US Area Code Map. Bellingham Olympia and Vancouver Washington. Texas Corpus Christi, Victoria, Kingsville. Rhode Island. Lincoln and Omaha Nebraska. Alberta Canada. Atlanta Georgia. Oklahoma City Oklahoma.

Orlando and West Palm Beach Florida. San Jose and Sunnyvale California. Galveston Texas. Baltimore and Annapolis Maryland. Pittsburgh Indiana and Rochester Pennsylvania. Springfield Massachusetts. Green Bay Milwaukee and Racine Wisconsin. San Francisco California. Toronto Ontario Canada. Joplin and Springfield Missouri. Quebec Canada. Toledo Ohio. Tennesse Chattanooga Clarksville Knoxville. California San Pedro, Torrance, Avalon new. Washington State. Texas Tyler, northeast new. Texas Midland, Odessa new.

Quebec Montreal new. Pennsylvania Philadelphia new. Texas Dallas. Georgia Atlanta area new. Grenada Carribean Island. Arkansas Fort Smith, Fayetteville, northwest new. Pennsylvania Allentown, Reading, others. Louisville Paducah and Shelbyville Kentucky. Portland Oregon. Baton Rouge and New Orleans Louisiana. All Regions New Mexico. New Brunswick Canada. Albert Lea and Rochester Minnesota. Framingham and New Bedford Massachusetts.

Pullman Spokane and Walla Walla Washington. Fremont Oakland California. Austin and Corpus Christi Texas. Cincinnati and Dayton Ohio. Montreal Canada. Des Moines and Mason City Iowa. Hempstead New York. Lansing and Saginaw Michigan. Albany Greenwich and Schenectady New York.

London Ontario Canada. Flagstaff and Tucson Arizona. Northern California. Fredericksburg Roanoke and Winchester Virginia. Oregon other than Portland. New Jersey Hackensack, Jersey City new. Fresno, Central California. South Central Florida. Los Angeles Metropolitan Area. Washington western, Seattle, Olympia, Vancouver new. Ohio Toledo, northwest new. Virginia Arlington, DC suburbs. Missouri but not St Louis. Indiana South Bend, north central new.

New York Rochester new. Phoenix Arizona. New Hampshire. British Columbia Canada. South Dakota. Ashland and Winchester Kentucky.

Elmira Ithaca and Stamford New York. Beloit and Madison Wisconsin. Allentown Reading and Chester Pennsylvania. Minneapolis Minnesota. Ottawa Ontario Canada. Columbus Marietta and Newark Ohio. Chattanooga and Nashville Tennessee. Boston Massachusetts. Midwestern Illinois next to St Louis. He started working for the post office in the s as a postal inspector in Philadelphia and Chicago. Moon originally invented a three-digit code system that he believed was necessary for the post office to keep up with the mail volume after WWII.

This system was later expanded into the ZIP Code system put into use in He retired from that post in and moved to Zellwood, FL with his wife. His ZIP Code at the time of his death: When the ZIP Code system was first introduced to the public in , the post office had a hard time convincing millions of letter writers to add the unfamiliar extra numbers to each address. Zip — the cute and efficient-looking ambassador of the new system.