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Area code 318

Area code 318 Shreveport, Louisiana

Area code 318 is in Louisiana, with numbers assigned in Shreveport, Monroe, Alexandria and 101 more places. It’s 11:13 PM there now.

State
Louisiana6 area codes in Louisiana
Time zone
Central11:13 PM there now
Exchanges
765104 places
Overlay
457Same area, 10-digit dialing
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Where area code 318 is

Numbers in 318 are assigned to 104 places in 30 counties: Caddo Parish, Bossier Parish, Ouachita Parish, Rapides Parish, Lincoln Parish, Avoyelles Parish, plus 24 more.

Shreveport has the most, 22% of the exchanges; the rest are spread across 103 other places.

  • Shreveport172
  • Monroe92
  • Alexandria60
  • Ruston21
  • Natchitoches19
  • Minden13
  • Bastrop12
  • Marksville11
  • Winnfield9
  • Oakdale9
  • Winnsboro8
  • Rayville8
  • Many7
  • Jonesboro7
  • Benton7
  • Mansfield7
  • Blanchard7
  • Tallulah7
  • Haughton7
  • Homer6
  • Arcadia6
  • Ferriday6
  • Grambling5
  • Boyce5

Phone companies in 318

765 blocks of numbers in 318 are held by 48 phone companies. The most belong to AT&T (208), AT&T Mobility (111) and Verizon Wireless (78).

A mix: about 32% wireless, 39% local phone and cable and 28% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

318 went into service in 1957.

457 (since 2025) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

94 new exchanges were assigned since 2021, the latest in October 2026.

Calling 318

It’s 11:13 PM Central time in 318 right now.

From elsewhere in the U.S., dial 1, 318 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Louisiana has 6 area codes: 225, 318, 337, 457, 504 and 985.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 318 area code

Map of the 318 area code around Shreveport, Monroe and Alexandria, Louisiana.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 318

Where is area code 318?

In Louisiana, covering Shreveport, Monroe and Alexandria and other places across 30 counties.

What time zone is 318 in?

Central time. It was 11:13 PM there when this page loaded.

Is 318 an overlay?

Yes. 457 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 318 numbers?

48 companies hold blocks; the most belong to AT&T, AT&T Mobility and Verizon Wireless. About 32% of blocks are wireless.

Is 318 running out of numbers?

Not on record. 94 new exchanges have been assigned since 2021.