Get a local business phone number in Lamar, MO

Lamar area codes

With 4,299 residents in the Census 2024 estimate, Lamar sits in Barton County, Missouri. All 8 exchanges NANPA lists for its rate center are in area code 417. Lamar is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 417 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Who holds Lamar phone exchanges

6 carriers hold the 8 exchanges assigned to Lamar's rate center. Level 3 Communications, LLC - Mo has the most, with 2. 7 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Lamar phone prefixes

A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to Lamar. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 8 were assigned in 2020 or later.

When Lamar's exchanges were assigned

The table groups Lamar's exchanges by the decade NANPA recorded them as assigned.

Rate centers and local calling in Lamar

What a caller sees as "local" is the area code plus prefix. In Lamar, those come from the LAMAR rate center, as recorded by NANPA.

If your business already has a Lamar number, porting it to Callata is free and keeps it on your cards, listings and vehicles.

Businesses around Lamar

Lamar is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 151,475 business establishments in Missouri in 2023, employing 2,631,543 people. The largest sectors by establishment count are health care and social assistance (20,637), retail trade (19,971), and other services (except public administration) (15,950).

Setting up a Lamar business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Lamar is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

The comparison below uses 17 users, the rounded average establishment size in Missouri. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. Callata comes to $339.00 a month for 17 users ($99 a month with 5 users included, then $20 per additional user), below both.