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US area code · Louisiana

318 area code

Where the 318 area code is, its overlay and how to dial a +1 318 number from anywhere.

CoversAlexandria, LouisianaTime zoneCentral (CT)TypeOverlay
Quick answer

The 318 area code is in Alexandria, Louisiana, United States (Central (CT)). To call from abroad: +1 318 555-0123. It is an overlay, so all 10 digits are dialled.

StateLouisiana
Main areaAlexandria
Time zoneCentral (CT)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1957

The 318 area code is a geographic North American Numbering Plan (NANP) code covering Alexandria, Louisiana. It has been in service since 01-Jan-1957 and sits in the Central (CT) time zone.

Overlay 318 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

318457

How to dial a 318 number

From abroad+1 318 555-0123
Within the US / Canada1 318 555-0123
Locally (same area)318 555-0123

Cities in the 318 area code

A 318 number is usually in one of these places in Louisiana — 5 counties.

Alexandria RapidesBossier City BossierRuston LincolnShreveport CaddoWest Monroe Ouachita

Other Louisiana area codes

225337457504985

Frequently asked questions

Where is the 318 area code?

The 318 area code is in Alexandria, Louisiana, United States (Central (CT)).

Is 318 an overlay area code?

Yes. 318 overlays the same region as 457, so callers dial all 10 digits.

Do I have to dial 10 digits for 318?

Yes — dial the area code plus the seven-digit number.

How do I call a 318 number from another country?

Dial your exit code (or +), then 1, then 318, then the number: +1 318 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 318 number does not pinpoint a street or ZIP code.

Number holders in area code 318

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 779 prefixes are in use in 318, shared by 57 companies. The largest holders:

CompanyPrefixesShare
Bellsouth Telecomm Inc Dba South Central Bell Tel20927%
New Cingular Wireless PCS, LLC11014%
Cellco Partnership Dba Verizon Wireless7810%
Onvoy, LLC557%
Eliska Wireless Ventures Subsidiary I, LLC425%
Level 3 Communications, LLC354%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 318 numbers

Reports to the FTC, last 30 days
633
Recorded messages or robocalls
71%
Rank among area codes
#128 of 670
Most reported subjects
Other (302)
Reducing your debt (credit cards, mortgage, student loans) (112)
Medical & prescriptions (71)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 318 — cities & rate centres

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