CallataGuides

Get a local business phone number in Lockport, IL

Lockport's area codes, prefixes and carriers from NANPA records, and how to put a Lockport number in front of your customers.

Area code
815 / 779
Exchanges
21NANPA-assigned
Carriers
9
Population
60,052Census 2024 est.

What area code is Lockport, IL?

Lockport, in Will County, Illinois, had a Census-estimated population of 60,052 in July 2024. NANPA lists 21 exchanges for its rate center across 2 area codes; 815 has the most (18, 86%). 815 is part of an overlay with 779, so a new local number in Lockport may carry any of those codes depending on which have numbers available. Lockport is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 815 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Lockport, IL
Area codeExchanges hereShareIn service sinceOverlay withTime zone
8151886%1947779Central
779314%2007815Central

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Who holds Lockport phone exchanges

9 carriers hold the 21 exchanges assigned to Lockport's rate center. Illinois Bell Tel CO has the most, with 9. 17 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Carriers holding exchanges in Lockport, IL
Carrier (NANPA operating company)ExchangesShare
Illinois Bell Tel CO943%
Level 3 Communications, LLC - Il314%
T-mobile USA, INC.29.5%
Teleport Communications America, LLC - Il29.5%
Metropcs, INC.14.8%
Mcimetro Access Transmission Services LLC - Il14.8%
First Communications, LLC14.8%
RCN Telecom Services of Illinios, INC. - Il14.8%
Bandwidth.com CLEC, LLC - Il14.8%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Local prefixes for Lockport

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Lockport's rate center (LOCKPORT). The earliest assignment date recorded in the file for these codes is 2001. 4 of the 21 were assigned in 2020 or later.

Prefixes assigned in Lockport, IL
Area codePrefixes (NXX)
779390, 445, 780
815221, 293, 306, 328, 372, 407, 461, 512, 524, 552, 588, 660, 749, 834, 836, 838, 886, 905

Source: NANPA utilized central office code file.

When Lockport's exchanges were assigned

Assignment dates show when each block of Lockport numbers was added to the local supply.

Lockport, IL: exchanges by decade assigned
Decade assignedExchangesShare
2000s233%
2020s467%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Rate centers and local calling in Lockport

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Lockport's numbers are rated to the LOCKPORT rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Lockport number.

New local numbers are drawn from carrier inventory, so the exact 815 numbers available change over time; porting an existing number is free.

Who does business near Lockport

Lockport is part of the Chicago-Naperville-Elgin, IL-IN metro area, home to 9.4 million people in 2024. County Business Patterns counted 248,519 business establishments in the Chicago, IL-IN metro area in 2023, employing 4,285,971 people. The largest sectors by establishment count are professional, scientific, and technical services (32,828), health care and social assistance (29,768), and retail trade (25,308).

Selected industries in the Chicago, IL-IN metro area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants8,179139,86917.1
Full-service restaurants7,371149,53220.3
Law offices5,86546,4497.9
Physician practices5,69380,10114.1
Residential remodelers5,23012,6552.4
Dental offices4,88130,7676.3
Offices of real estate agents and brokers4,25211,7862.8
General freight trucking companies (local)4,04014,8693.7

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Setting up a Lockport business line

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in Lockport, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

A 17-person team is the benchmark here, the rounded average establishment size in the Chicago, IL-IN metro area. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $510.00 a month and Ooma Office Pro $424.15. On Callata the same 17 people cost $339.00 a month, less than either per-seat plan.

Monthly list price for a 17-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$339.00$4,068.00
Quo (Starter)$19.00 per user$323.00$3,876.00
Nextiva (Core)$23.00 per user$391.00$4,692.00
Ooma (Office Pro)$24.95 per user$424.15$5,089.80
Dialpad (Standard)$27.00 per user$459.00$5,508.00
RingCentral (RingEX Core)$30.00 per user$510.00$6,120.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Lockport, IL?

Lockport has exchanges in 815 and 779; 815 has the most.

How many phone companies have exchanges in Lockport?

9, holding 21 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Lockport business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Lockport?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).